Tom Bourne – Original Peer Reviewed Papers

An abstract of most of these papers is available at http://www.ncbi.nlm.nih.gov/pubmed and typing in Bourne T at the prompt.

Transvaginal colour flow mapping – a possible new screening test for ovarian cancer. Bourne T.H, Campbell S, Steer C.V, Whitehead M.I, Collins W.P. BMJ 1989; 299: 1367 – 1371.

Transabdominal Ultrasound screening for ovarian cancer.
Campbell S, Whitehead M.I, Collins W.P, Bourne T.H. BMJ, 1990; 300: 194.

Transvaginal colour flow mapping – a possible new screening test for ovarian cancer (letter).
Bourne T.H., Campbell S., Whitehead M.I., Collins W.P.
BMJ, 1990; 301: 354.

Oestrogens, arterial status and postmenopausal women. Bourne T.H., Hillard T, Whitehead M.I, Crook D, Campbell S. Lancet, 1990; 335, 1470 – 1471.

Detection of endometrial cancer in postmenopausal women by transvaginal ultrasonography and colour flow imaging. Bourne T.H., Campbell S, Steer C, Royston P, Whitehead M.I, Collins W.P. BMJ, 1990; 301: 369. (Selected for inclusion in the 1991 Mosby year book of Ultrasound)

Ultrasound Screening for Familial Ovarian Cancer Bourne T.H., Whitehead M.I, Campbell S, Royston P, Bhan V, Collins W.P. Gynecologic Oncology, 1991; 43: 92-97.

The Detection of Endometrial Cancer by Transvaginal Ultrasonography with Color Flow Imaging and Blood Flow Analysis. Bourne T.H., Campbell S, Steer C.V, Royston P, Whitehead M.I, Collins W.P.  Gynecologic Oncology, 1991; 40: 253 – 256.

Ovarian morphology, endocrine function and intra-follicular blood flow during the peri-ovulatory period. Collins W.P, Jurkovic D, Bourne T, Kurjak A, Campbell S. Hum Reprod, 1991; 6: 231-236. 

Screening for Ovarian Cancer Campbell S, Bourne T.H, Collins W.P. Lancet, 1990; 336: 43

The use of family history in a screening clinic for familial ovarian cancer. Houlston R.S, Bourne T, Davies A, Whitehead M.I, Campbell S, Collins W.P. Gynecologic Oncology, 1992; 47: 247-252 

Early Detection of Endometrial Cancer Bourne T.H, Campbell S, Collins W.P BMJ, 1990; 305: 212

Intra – Follicular Blood Flow During Human Ovulation. Bourne T.H, Jurkovic D, Waterstone J, Campbell S, Collins W.P. Ultrasound Obstets Gynecol, 1991; 1: 63-69.

Differential effects of transdermal estradiol and sequential progestagens on impedance to flow within the uterine arteries of postmenopausal women. Hillard T.C, Bourne T.H., Crayford T, Collins W.P, Campbell S, Whitehead M.I. Fertility and Sterility, 1992; 58: 959-963.

The diagnosis of Ectopic Pregnancy using transvaginal color flow imaging.
Jurkovic D, Bourne T.H, Campbell S, Collins W.P.
Fertility and Sterility, 1992; 57: 68-73.

Paracetamol-associated luteinised unruptured follicle syndrome: effect on intrafollicular blood flow.
Bourne T.H, Reynolds K, Waterstone J, Jurkovic D, Okokon E, Campbell S, Collins W.P.
Ultrasound Obstets Gynecol, 1991; 1: 420-425.

Transvaginal color Doppler in Gynecology (authors reply).
Bourne T.H.
Ultrasound Obstets Gynecol, 1992;1: 447.

Risk of ovarian carcinoma and genetic relationship to other cancers in families.
Houlston R.S, Bourne T.H, Collins W.P, Whitehead M.I, Campbell S,
Slack J.
Human Heredity, 1993; 43: 111-115.

The psychological impact of screening for familial ovarian cancer.
Wardle J, Pernet , Bourne T.H, Collins W.P, Campbell S, Whitehead M.I
JNCI, 1993; 85: 653-657.

A qualitative evaluation of the experience of surgery after false positive results in screening for early familial ovarian cancer.
Pernet A, Wardle J, Bourne T.H, Whitehead M.I, Campbell S, Collins W.P. Psycho-Oncology, 1992; 1: 217-233.

Use of transvaginal ultrasonography with color Doppler imaging to determine an appropriate treatment regimen for uterine fibroids before surgery: a preliminary report.
Creighton S, Bourne T.H, Crayford T, Vyas S, Collins W.P, Campbell S, Lawton F.
Ultrasound Obstets Gynecol, 1994; 4: 1-5.

Screening for Familial Ovarian Cancer – Authors reply (letter).
Bourne T.H, Collins W.P.
Gynecologic Oncology, 1992; 47: 404.

Screening for early familial ovarian cancer with transvaginal ultrasonography and colour blood flow imaging
Bourne T.H, Campbell S, Reynolds K, Whitehead M.I, Hampson J, Royston P, Crayford T.J.B, Collins W.P.
BMJ, 1993; 306: 1025-1029.

Transvaginal color blood flow imaging of the periovulatory follicle.
Campbell S, Bourne T.H, Waterstone J, Reynolds K, Crayford T.J.B, Jurkovic D, Okokon E, Collins W.P. Fertility and Sterility, 1993; 60: 433-438.

Screening for ovarian cancer by transvaginal sonography and colour Doppler

Campbell S, Bourne T.H, Bradley E.
Eur J Obstets Gynaecol, 1993; 49: 33-34.

Early detection and assessment of endometrial cancer by transvaginal colour Doppler.Campbell S, Bourne T, Crayford T, Pittrof R. Eur J Obstets Gynaecol, 1993; 49: 44-45.

Use of intracavity saline instillation and transvaginal ultrasonography to detect a Tamoxifen associated endometrial polyp.
Bourne T.H, Lawton F, Leather A, Granberg S, Campbell S, Collins W.P.
Ultrasound Obstets Gynecol, 1994; 2: 73-75.

Screening for Ovarian Cancer (letter).
Bourne T.H, Campbell S, Collins W.P.
BMJ, 1993; 306: 1685.

The mechanism of continence achieved with gax collagen.
Khullar V, Cardozo L.D, Abbott D, Hillard T, Norman S, Bourne T.H.
Neurology and Urodynamics, 1993; 12: 439-440.

The temporal effect of progestogen on uterine artery pulsatility index in postmenopausal women receiving sequential hormone replacement therapy.
Marsh M.S, Bourne T.H, Whitehead M.I, Collins W.P, Campbell S.
Fertility and Sterility, 1994; 62: 771-774.

Effects of Tamoxifen on the uterus and ovaries of women involved in a randomised breast cancer prevention trial.
Kedar R.P, Bourne T.H, Powles T.J, Collins W.P, Cosgrove D.O,
Campbell S.
Lancet, 1994; 343: 1318-1321.

Transvaginal ultrasound guided ovarian cystoscopy: A novel approach to the assessment of ovarian tumors.
Granberg S, Wikland M, Bourne T.H, Hamberger L.
Ultrasound Obstets Gynecol, 1994; 4: 130-134.

A comparative study of the use of transvaginal ultrasonography and the gynecological examination to check the location of an IUCD.
Granberg S, Bundsen P, Bourne T.H, Almen M, Grentha M, Leandsson R, Tonnberg C.
Ultrasound Obstets Gynecol, 1994; 4: 316-319.

The potential role of serum CA 125 in an Ultrasound-based screening program for familial ovarian cancer.
Bourne T.H, Campbell S, Reynolds K, Hampson J, Bhatt L, Crayford T.J.B, Whitehead M.I, Collins W.P.
Gynecologic Oncology, 1994; 52: 379-385.

Hystero-contrast-salpingography (Hycosy) – Its future role in the investigation of infertile women in Europe.
Campbell S, Bourne T.H, Tan S.L, Collins W.P.
Ultrasound Obstets Gynecol, 1994; 4: 245-253.

A Novel Technique for Measuring Bladder Wall Thickness in Women Using Transvaginal Ultrasonography.
Khullar V, Salvatore S, Cardozo L.C, Bourne T.H, Abbott D, Kelleher C. Ultrasound Obstets Gynecol, 1994; 4: 220-223.

Effects of tamoxifen on uterus.
Bourne T.H, Collins W.P. Campbell S, Powles T.J.
Lancet, 1994; 344: 623.

Feasibility study of a randomised trial of ovarian cancer screening.
Parkes C.A, Smith D, Wald N.J, Bourne T.H.
J Med Screening, 1995; 1: 209-214.

Hysterocontrastsalpingography (Hycosy) – The use of ultrasound contrast agents to study tubal patency.,
Bourne T.H, Hacket E, Gruböck K.
RAD, 1994; 20: 232-236.

The regulation of corpus luteum function during early human pregnancy.
Hagström H.G, Hahlin M, Bennegård-Eden B, Bourne T.H,
Hamberger L.
Fertility and Sterility, 1995; 65: 81-86.

Acute effects of a transdermal nitric oxide donor on perifollicular and intrauterine blood flow.
Zackrisson U, Brännström M, Granberg S, Josefsson B, Janson P.O,
Bourne T.H.
Ultrasound Obstets Gynecol, 1998; 12: 50-55

False Positive Results in Ovarian Cancer Screening: One Year Follow-Up of Psychological Status.
Wardle J, Pernet A, Collins W.P, Bourne T.H.
Psychology and Health, 1994; 10: 33-40

Hormone replacement therapy after transcervical resection of the endometrium.
Istre O, Holm-Nielson P, Bourne T.H, Forman A,
Obstets and Gynecol, 1996; 88: 767-770.

The relationship between preoperative endometrial thickness, the anteriorposterior diameter of the uterus and clinical outcome following transcervical resection of the endometrium.
Istre O, Forman A, Bourne T.H.
Ultrasound Obstets Gynecol, 1996; 8: 412-416.

Correlation of ovarian malignancy with expression of platelet-derived endothelial growth factor.
Reynolds K, Campbell S, Maghaddam A, Lawton F, Bourne T.H, Farzaneh F, Collins W, Harris A.L, Bicknell R.
JNCI, 1994; 86: 1234-1238.

Effects of indomethacin on follicular structure and function over the perovulatory period.
Athanasiou S, Bourne T.H, Khalid A, Hagström H.G, Okokon E.V, Crayford
T.J.B, Campbell S, Collins W.P.
Fertility and Sterility, 1996; 65: 556-560.

Ultrasound studies of vascular and morphological changes in the human corpus luteum during the menstrual cycle.
Bourne T.H, Hagström H.G, Hahlin M, Josefsson B, Granberg S, Hamberger L, Collins W.P.
Fertility and Sterility, 1996, 65: 753-758.

Vascular changes in the uterus and endometrium during the luteal phase and menstrual phase of the ovarian cycle.
Bourne T.H, Hagström H.G, Hahlin M, Josefsson B, Granberg S, Hamberger L, Collins W.P.
Hum Reprod, 1996; 11: 369-375.

Associations between follicular blood flow, oocyte recovery and embryo quality.
Nargund G, Bourne T.H, Doyle P, Parsons J, Cheng W, Campbell S, Collins W.
Hum Reprod, 1996; 11: 109-113.

A Comparison of Blood Flow Velocity and Impedance for the Diagnosis of Ovarian Cancer by Transvaginal Colour Doppler Sonoography.
Tailor A, Jurkovic D, Bourne T.H, Natucci M, Collins W.P, Campbell S.
Ultrasound Med Biol, 1996; 22: 837-843.

Ultrasound derived indices of follicular blood flow before HCG administration and the prediction of oocyte recovery and pre-implantation embryo quality.
Nargund G, Doyle P.E, Bourne T.H, Parsons J.H, Cheng W.C, Campbell S, Colllins W.P.
Hum Reprod, 1996; 11: 2512-2517.

Comparison of Transvaginal Color Doppler Imaging and Color Energy for the Assessment of Intraovarian Blood Flow.
Tailor A, Jurkovic D, Bourne T.H, Natucci M, Collins W.P, Campbell S.
Ultrasound Obstets Gynecol, 1998, 91: 561-567

Blood flow indices. As measured by color Doppler ultrasonography, in different regions of the human periovulatory follicle.
Brännström M, Zackrisson U, Hagström H-G, JosefssonB, Hhellberg P, Granberg S, Bourne T.H.
Fertility and Sterility, 1998, 69: 435-442

The effects of norethisterone on endometrial abnormalities identified by transvaginal ultrasound screening of healthy postmenopausal women on tamoxifen or placebo.
Powles T, Bourne T.H, Athanasiou S, Chang J, Grubock K, Ashley S, Oakes L, Tidy A, Davey J, Viggers J, Humphries S, Collins W.P.
Br J Cancer, 1998; 78: 272-275.

A randomised trial on the use of ultrasonography or office hysteroscopy for endometrial assessment in tamoxifen-treated postmenopausal breast cancer patients.
Timmerman D, Deprest J, Bourne T.H, Van den Berghe I, Collins W.P., Vergote I.
Am J Obstets Gynecol, 1998; 179: 62-70.

An evaluation of sonohysterography and diagnostic hysteroscopy for the assessment of intrauterine pathology.
Schwarzler P, Concin H, Bosch H, Berlinger A, Wohlgenannt K, Collins W.P., Bourne T.H.
Ultrasound Obstets Gynecol, 1998; 11: 337-342

Benign ovarian cysts and ovarian cancer: A cohort study with implications for ultrasound based screening programmes for ovarian cancer.
Crayford T.J.B, Campbell S, Bourne T.H, Collins W.P.
Lancet, 2000; 355: 1060-1063.

Saline infusion sonography (SIS) or office hysteroscopy: which one is best? A prospective randomised trial.
Timmerman D, Deprest J, Bourne T, Van den Berghe I, Collins W.P.,
Vergot I.
Eur J Cancer, 1998; 34: 32-33

Detection of DNA adducts in the human endometrium: a lack of evidence.
Carmichael P.L, Sardar S, Neven P, Van Hoor I, Ugwumadu A, , Bourne T, Tomas E, Hellberg P, Hewer A, Phillips D.H.
Eur J Cancer, 1998; 34: 66-67

The conservative management of first trimester miscarriages and the use of colour Doppler sonography for patient selection.
Schwarzler P, Holden D, Nielsen S, Sladkevicius P, Bourne T.H,
Hum Reprod, 1999; 3: 214-221

The assessment of endometrial pathology and tubal patency: a comparison between the use of ultrasonography and X-ray hysterosalpingography for the investigation of infertility patients.
Strandell A, Bourne T, Bergh C, Granberg S, Aztely M, Thorburn J
Ultrasound Obstets Gynecol, 1999; 14: 200-204

A simplified ultrasound based infertility investigation protocol – and its implications for patient management.
Strandell A, Bourne T, Bergh C, Granberg S, Thorburn J, Hamberger L. J Assist Reprod Genet, 2000; 17: 87-92.

The endometrium in breast cancer patients on tamoxifen: histopathologicalc hanges compared to ultrasonographic measurements.
Dallenbach-Hellweg G, Schmidt D, Hellberg P, Bourne T, Kreuzwieser E, Doren M, Rydh W, Rudenstam G, Granberg S.
International J Pathology, 1999.

A comparison of methods for preoperative discrimination between malignant and benign adnexal masses and development of a new logistic regression model.
Timmerman D, Bourne T.H, Tailor A, Collins W.P, Verrelst H,
Vandenberghe K, Vergote I
Am J Obstets Gynecol, 1999; 181: 57-65.

Artificial neural network models for the preoperative discrimination between benign and malignant adnexal masses.
Timmerman D, Verrelst H, Bourne T.H, De Moor B, Collins W.P, Vergote I, Vandewalle J.
Ultrasound Obstets Gynaecol, 1999; 13: 17-25.

Subjective assessment of adnexal masses by using ultrasonography – analysis of validity, interobserver variability and effect of experience.
Timmerman D, Schwarzler P, Collins W.P, Claerhout F, Coenen M, Amant I, Vergote I, Bourne T.H.
Ultrasound Obstets Gynecol, 1999; 13: 11-16.

Sonographic prediction of malignancy in adnexal masses using an artificial neural network.
Tailor A, Jurkovic D, Bourne T.H, Collins W.P, Campbell S.
BJOG, 1999; 106: 21-30

Lack of evidence from HPLC 32P-post-labelling for tamoxifen-DNA adducts in human endometrium.
Carmichael P.I, Sardar S, Crooks N, Neven P, Van Hoof I, Ugwumadu A, Bourne T,Tomas E, Hellberg P, Hewer A.J, Phillips D.D.
Carcinogenesis, 1999; 20: 339-342.

Gli ultrasuoni in ginecologia: L’endometrio.
Bourne T, Hamberger L, Hahlin M, Granberg S.
It Obst Gin, 1998; 3: 71-82

A ten year observational study of women attending a screening clinic for familial ovarian cancer.
Tailor A, Bourne T.H, Campbell S, Okokon E.V, Drew T, Collins W.P.
Ultrasound Obstets Gynecol, 2003; 21 (4): 378-385

Uterine anomalies and failed surgical termination of pregnancy: the role of routine preoperative transvaginal sonography.
Jermy K, Oyelese O, Bourne T
Ultrasound Obstets Gynecol, 1999; 14: 431-433

The endometrium in breast cancer patients on tamoxifen.
Dallenbach-Hellweg G, Schmidt D, Hellberg P, Bourne T, Kreuzwieser E, Doren M, Rudenstam G, Granberg S.
Arch Gynecol Obstet, 2000; 263: 170-177

The characterisation of common ovarian cysts in young women.
Jermy K, Luise C, Bourne T
Ultrasound Obstets Gynecol, 2001; 17: 140-145

The outcome of expectant management of miscarriage.
Luise C, Jermy K, May C, Costello G, Collins W.P, Bourne T
BMJ, 2002; 324: 873-875

Transvaginal ultrasonography sonohysterography and operative hysteroscopy for the evaluation of abnormal uterine bleeding.
Krampl E, Bourne T, Hurlen-Solbakken H, Istre O
Acta Obstet Gynecol Scand, 2001; 80: 616-622

Terms, definitions and measurements to describe the sonographic features of adnexal tumors: a consensus opinion from the International Ovarian Tumour Analysis (IOTA) Group Timmerman D, Valentin L, Bourne T.H, Collins W.P, Verrelst H, Vergote I.
Ultrasound Obstets Gynecol, 2001; 16: 500-505

Psychological impact of endometrial monitoring in tamoxifen –treated postmenopausal breast cancer patients.
Demyttenaere K, Gheldof M, Enzlin P, Timmerman D, Deprest J, Bourne T, Vergote I.
J Psychosom Obstet Gynaecol, 2000; 4: 225-233

The feasibility of a “one stop” ultrasound-based clinic for the diagnosis and management of abnormal uterine bleeding.
Jones K, Bourne T.
Ultrasound Obstets Gynecol, 2001; 17: 517-521

Re: Mol et al. Distinguishing the benign and malignant adnexal mass: an external validation of prognostic models.
Timmerman D, Verrelst H, Collins W.P, Bourne T.H, Vergote I.
Gynecol Oncol, 2001; 83 (1): 162-167.

Expectant management of incomplete, spontaneous first-trimester miscarriage: outcome according to initial ultrasound criteria and value of follow-up visits.
Luise C, Jermy K, Collins W.P, Bourne T.H.
Ultrasound Obstets Gynecol, 2002, 19: 580-582

What is the correct primary diagnostic tool in the “one stop” clinic for the investigation of abnormal menstrual bleeding?
Jones K.D, Jermy K, Bourne T.H.
Gynaecological Endoscopy, 2001; 11: 27-33

The conservative management of early pregnancy complications: a review of the literature.
Condous G, Okaro E, Bourne T
Ultrasound Obstet Gynaecol, 2003; 22: 420-430

Placental site trophoblastic tumour masquerading as an ovarian ectopic pregnancy.
Condous G, Thomas J, Okaro E, Bourne T
Ultrasound Obstets Gynecol, 2003; 21: 504-506

Preface.
Bourne T, Valentin L
Best Pract Res Clin Obstet Gynaecol, 2004; 18: 1-2

The use of a new logistic regression model for predicting the outcome of pregnancies of unknown location.
Condous G, Okaro E, Khalid A, Timmerman D, Lu C, Zhou Y, Van Huffel S, Bourne T
Hum Reprod, 2004; 19: 1900-1910

Should we be examining the ovaries in pregnancy? Prevalence and natural history of adnexal pathology detected at first-trimester sonography
Condous G, Khalid A, Okaro E, Bourne T
Ultrasound Obstets Gynecol, 2004; 24: 62-64

Human chorionic gonadotrophin and progesterone levels in pregnancies of unknown location
Condous G, Lu C, Van Huffel S.V, Timmerman D, Bourne T
Int J Gynaecol Obstets, 2004; 86: 351-357

The conservative management of interstitial pregnancy
Jermy K, Thomas J, Doo A, Bourne T
BJOG, 2004; 111: 1283-1288

Ectopic pregnancy deaths: what should we be doing?
Kirk E, Condous G, Bourne T
Hospital Medicine, 2004; 65: 657-660

Do we need to follow up complete miscarriages with serum human chorionic gonadotrophin levels?
Condous G, Okaro E, Khalid A, Bourne T
BJOG, 2005; 112: 827-828

A prospective evaluation of a single-visit strategy to manage pregnancies of unknown location
Condous G, Okaro E, Khalid A, Lu C, Van Huffel S.V, Timmerman D, Bourne T
Hum Reprod, 2005, 20: 1398-1403

The accuracy of transvaginal ultrasonography for the diagnosis of ectopic pregnancy prior to surgery
Condous G, Okaro E, Khalid A, Lu C, Van Huffel S.V, Bourne T
Hum Reprod, 2005, 20: 1404-1409

Do levels of serum CA 125 and creatine kinase predict the outcome in pregnancies of unknown location
Condous G, Kirk E, Okaro E, Syed A, Van Calster B, Van Huffel S, Timmerman D, Bourne T
Hum Reprod, 2005; 20: 3348-3354

Diagnostic accuracy of varying discriminatory zones for the prediction of ectopic pregnancy in a specialist transvaginal scanning unit?
Condous G, Kirk E, Lu C, Van Huffel S, Gevaert O, De Moor B, De Smet F, Timmerman D, Bourne T
Ultrasound Obstets Gynecol, 2005; 26: 770-775

Pregnancies of unknown location: diagnostic dilemas and their management
Condous G, Okaro E, Bourne T
Current Opinion Obstets Gynaecol, 2005: 17; 568-573

A logistic regression model to distinguish between the benign and malignant adnexal mass before surgery: a multicenter study by the International Ovarian Tumor Analysis (IOTA) Group
Timmerman D, Testa A.C, Bourne T, Ferrazzi E, Ameye L, Konstantinovic M.L, Collins W.P, Vergote I, Van Huffel S, Valentin L. JCO, 2005; 23: 8794-8801

The non-surgical management of ectopic pregnancy
Kirk E, Condous G, Bourne T
Ultrasound Obstets Gynecol, 2006; 27: 91-100

The practical application of a mathematical model to predict the outcome of pregnancies of unknown location (PUL’s)
Kirk E, Condous G, HaiderZ, Lu C, Van Huffel S, Timmerman D, Bourne T
Ultrasound Obstets Gynecol, 2006; 27: 311-315

The use of ultrasound-based “soft markers” for the prediction of pelvic pathology in women with chronic pelvic pain – can we reduce the need for laparoscopy?
Okaro E, Condous G, , Khalid A, Timmerman D, Ameye L, Van Huffel S, Bourne T
BJOG, 2006; 113: 251-256

Do early pregnancy ultasound measurement correlate with fetal nuchal translucency at 11-14 weeks?
Prefumo F, Condous G, Kirk E, Thilaganathan B, Bourne T
Ultrasound Obstets Gynecol, 2006: Mar 2; Epub ahead of print

The conservative management of cervical ectopic pregnancies
Kirk E, Condous G, Haider Z, Syed A, Ojha K, Bourne T
Ultrasound Obstets Gynecol, 2006; 27: 430-437

Failing pregnancies of unknown location: a prospective evaluation of the human chorionic gonadotrophin ratio
Condous G, Kirk E, Van Calster B, Van Huffel S, Timmerman D, Bourne T.
BJOG, 2006; 113: 521-527

Predicting the outcome of pregnancies of unknown location: Baysian networks with expert prior information compared to logistic regression
Gevaert O, Condous G, Kirk E, Van Calster B, Bourne T, Timmerman D, Van Huffel S, De Moor B
Hum Reprod, 2006; 21: 1824-1831

Early pregnancy ultrasound: findings in Hyperemesis Gravidarum
Kirk, E, Papageorghiou A.T, Condous G, Bottomley C, Bourne T
Hum Reprod, 2006; 21: 2440-2442

The impact of the availability of ultrasonography in the acute gynaecology unit
Haider Z, Condous G, Khalid A, Kirk E, Mukri F, Van Calster B, Timmerman D,
Bourne T
Ultrasound Obstets Gynecol, 2006; 28: 207-213

Pregnancies of unknown location: Consensus statement
Condous G, Jurkovic D, Timmerman D, Goldstein S, Valentin L, Bourne T
Ultrasound Obstets Gynecol, 2006; 28: 121-122

Acute pelvic pain – transvaginal ultrasound diagnosis of appendicitis
Haider Z, Condous G, Ahmed S, Kirk E, Bourne T
J Ultrasound Med, 2006; 25: 1243-1244

There is no role for uterine curettage in the contemporary diagnostic workup of women with a pregnancy of unknown location
Condous G, Kirk E, Lu C, Van Calster B, Van Huffel S, Timmerman D, Bourne T. Hum Reprod, 2006; 21: 2706-2710

The validation of the most commonly used protocol for the treatment of ectopic pregnancy with single dose methotrexate
Kirk E, Condous G, Van Calster B, Haider Z, Van Huffel S, Timmerman D, Bourne T
Hum Reprod, 2007 Mar;22(3):858-63

Prospective cross-validation of three methods of predicting failing pregnancies of unknown location
Condous G, Van Calster B, Kirk E, Timmerman D, Van Huffel S, Bourne T
Hum Reprod, 2006; 22: 1156-1160

The accuracy of first trimester ultrasound in the diagnosis of gestational trophoblastic disease
Kirk E, Papageorghiou A, Condous G, Bottomley C, Bourne T
Ultrasound Obstet Gynecol, 2007; 29: 70-75

The outpatient management of Bartholin’s abscess: an evaluation of the Word catheter
Haider Z, Condous G, Kirk E, Bourne T
ANZJOG, 2007; 47: 135-138

The relative value of serum CA 125 and ultrasonography for the characterisation of ovarian pathology prior to surgery
Timmerman D, Van Calster B, Bourne T, Testa A, Valentin L
JNCI, 2007; in press

The inclusion of CA-125 does not improve mathematical models developed to distinguish between benign and malignant adnexal tumors Timmerman D, Van Calster B, Jurkovic D, Valentin L, Testa A.C, Bernard J-P, Van Holsbeke C, Van Huffel S, Vergote I, Bourne T
JCO, 2007; 25: 4194-4200

Clinical acumen does not improve the performance of mathematical models in predicting the outcome of pregnancies of unknown location
Condous G, Van Calster B, Kirk E, Haider Z, Timmerman D, Van Huffel S, Bourne T
Fertility and Sterility, 2007; 88: 572-580

Rationalizing the follow–up of pregnancies of unknown location
Kirk E, Condous G, Van Calster B, Van Huffel S, Timmerman D, Bourne T
Hum Reprod, 2007 Jun;22(6):1744-50.

Ultrasound diagnosis of ectopic pregnancy (letter)
Condous G, Kirk E, Bourne T
Hum Reprod, 2007

Prediction of ectopic pregnancy in women with a pregnancy of unknown location
Condous G, Van Calster B, Kirk E, Haider Z, Timmerman D, Van Huffel S, Bourne T
Ultrasound Obstets Gynecol, 2007; 29: 680-687

The performance of an initial transvaginal scan in detecting ectopic pregnancy in the early pregnancy population
Kirk E, Papageorghiou A, Condous G, Tan L, Bora S, Bourne T
Hum Reprod, 2007, doi: 10.1093/humrep

The diagnostic effectiveness of an initial transvaginal scan in detecting ectopic pregnancy.
Kirk E, Papageorghiou AT, Condous G, Tan L, Bora S, Bourne T.
Human Reproduction. 2007 Nov; 22(11):2824-8.

Simple ultrasound-based rules for the diagnosis of ovarian cancer
Timmerman D, Testa A, Bourne T, Ameye L, Jurkovic D, Van Holsbeke C, Paladini D, Van Calster B, Vergote I, Van Huffel S, Valentin L.
Ultrasound Obstets Gynecol, 2008; 31 681-690

Reliability of transvaginal ultrasonography at seven to nine weeks gestation in the determination of chorionicity and amnionicity in twin pregnancies
Bora S, Papageorghiou A, Kirk E, Bottomley C, Bourne T
Ultrasound Obstets Gynecol, 2008; Epub ahead of print

The human chorionic gonadotrophin ratio can predict the ultimate viability of the intra-uterine pregnancies of uncertain viability in the pregnancy of unknown location population
Bignardi T, Condous G, Alhamdan B, Kirk E, Van Calster B, Van Huffel S, Timmerman D, Bourne T
Hum Reprod, 2008; 23: 1964-1967

Chlamydia trachomatis infection in patients attending an early pregnancy unit: prevalence, symptoms, pregnancy location and viability
Kirk E, Haider Z, Condous G, Van Calster B, Timmerman D, van Huffel, S, Bourne T
Acta Obstet Gynecol Scand, 2008; 87: 601-607

Evidence of early first-trimester growth restriction in pregnancies that subsequently end in miscarriage.
Mukri F, Bourne T, Bottomley C, Schoeb C, Kirk E, Papageorghiou AT.
BJOG. 2008 Sep;115(10):1273-8.

Reliability of transvaginal ultrasonography at 7-9 weeks’ gestation in the determination of chorionicity and amnionicity in twin pregnancies.
Bora SA, Papageorghiou AT, Bottomley C, Kirk E, Bourne T.
Ultrasound Obstet Gynecol. 2008 Aug 1. [Epub ahead of print]

Why are some ectopic pregnancies characterised as pregnancies of unknown location at the initial transvaginal ultrasound examination?
Kirk E, Daemen A, Papageorghiou A.T, Bottomley C, Condous G, De Moor B, Timmerman D, Bourne T
Acta Obstet Gynecol Scand, 2008, 87(11): 1150-4.

The use of transvaginal ultrasonography to diagnose bladder carcinoma in women presenting with postmenopausal bleeding.
Betsas G, Van den Bosch T, Deprest J, Bourne T, Timmerman D
Ultrasound Obstets Gynecol, 2008; 32: 962-963.

An application of methods for the probabilistic three-class classification of pregnancies of unknown location
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S
Artificial Intelligence in Medicine, 2008, doi:10.1016/j.artmed.2008.12.003

A scoring system to differentiate malignant from benign masses in specific ultrasound-based subgroups of adnexal tumors.
Ameye L, Valentin L, Testa AC, Van Holsbeke C, Domali E, Van Huffel S, Vergote I, Bourne T, Timmerman D.
Ultrasound Obstet Gynecol. 2009 Jan;33(1):92-101.

Functional linear discriminant analysis: a new longitudinal approach to assess embryonic growth
Bottomley C, Daemen A, Mukri F, Papageorghiou, A.T, Kirk, E, Pexsters, A, De Moor B, Timmerman D, Bourne T
Hum Reprod, 2009; 24(2): 278-83.

Assessing embryonic growth using transvaginal ultrasonography: the influence of ethnic background and maternal age
Bottomley C, Daemen A, Mukri F, Papageorghiou A, Kirk E, Pexsters A, De Moor B, Timmerman D, Bourne T
Hum Reprod, 2009, 24(2): 284-90.

Twin growth discrepancy in early pregnancy
Bora SA, Papageorghiou AT, Bottomley C, Bourne T
Ultrasound Obstets Gynecol, 2009; 34:38-42

A scoring system to differentiate benign from malignant masses in specific subgroups of adnexal tumors
AmeyeL, Valentin L, Testa A, Van Holsbeke C, Domali E, Van Huffel S, Vergote I, Bourne T, Timmerman D
Ultrasound Obstets Gynecol, 2009; 33: 92-101.

Probabilistic three-class classification of pregnancies of unknown location: comparison of methods with extensive performance evaluation
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S
Artificial Intelligence in Medicine, 2009; 46″139-154

Functional linear discriminant analysis: a new longitudinal approach to assess embryonic growth
Bottomley C, Daemen A, Mukri F, Papageorghiou, A.T, Kirk, E, Pexsters, A, De Moor B, Timmerman D, Bourne T
Hum Reprod, 2009; 24: 278-283

The use of serum inhibin A and activin A levels in predicting the outcome of pregnancies of unknown location
Kirk E, Papageorghiou A, Van Calster B, Condous G, Cowans N, Van Huffel S, Timmerman D, Spencer K, Bourne T
Hum Reprod, 2009, 24 (10): 2451-2456

Diagnostic performance of pattern recognition for the preoperative classification of adnexal masses when used by sonologists with different levels of ultrasound experience
Van Holsbeke C, Daemen A, Yazbek J, Holland T.K, Bourne T, Mesens T, Lannoo L, Boes A, Joos A, Van De Vijver A, Roggen N, de Moor B, de Jonge E, Testa A.C, Valentin L, Jurkovic D, Timmerman D
Ultrasound Obstets Gynecol, 2009,; 34: 454-461

The optimal timing of an ultrasound scan to assess the viability of an early pregnancy
Bottomley C, Van Belle V, Mukri F, Kirk E, Van Huffel S, Timmerman D, Bourne, T
Ultrasound Obstets Gynecol, 2009; 24: 1811-1817

Adding CA-125 to ultrasound performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses. A prospective international multicentre study of 809 patients.
Valentin L, JurkoviC D, Van Calster B, Testa A, Van Holsbeke C, Bourne T, Vergote I, Van Huffel S, Timmerman D
Ultrasound Obstets Gynecol, 2009; 34: 345-354

Ultrasound methods to distinguish between malignant and benign adnexal masses in the hands of examiners with different level of experience
Van Holsbeke C, Daemen A, Yazbek J, Holland T K, Bourne T, Mesens T, Lannoo L, De Moor B, de Jonge E, Testa A C, Valentin L, Jurkovic D, Timmerman D
Ultrasound Obstets Gynecol, 2009: 34 (4); 454-461

“Probabilistic three-class classification of pregnancies of unknown location using advanced methods:
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S
Artificial Intelligence in Medicine, 2009; 46: 139-154

Adding a single CA 25 measurement to ultrasound imaging performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses
Valentin L, Jurkovic D, Van Calster B, testa A, Van Holsbeke C, Bourne T, Vergote I, Van Huffel S, Timmerman D.
Ultrasound Obstets Gynecol, 2009; 34: 345-354

The use of serum inhibin A and activin A levels in predicting the outcome of pregnancies of unknown location.
Kirk E, Papageorghiou A, Van Calster B, Condous G, Cowans N, Van Huffel S, Timmerman D, Spencer K, Bourne T
Hum Reprod, 2009; 24: 2451-2456

Terms, definitions and measurements to describe the sonographic features of the endometrium and intrauterine lesions: a consensus opinion from the International Endometrial Tumor Analysis (IETA) group.
Leone FP, Timmerman D, Bourne T, Valentin L, Epstein E, Goldstein SR, Marret H, Parsons AK, Gull B, Istre O, Sepulveda W, Ferrazzi E, Van den Bosch T.
Ultrasound Obstet Gynecol. 2010 Jan;35(1):103-12.

Ultrasound Experience Substantially Impacts on Diagnostic Performance and Confidence when Adnexal Masses Are Classified Using Pattern Recognition.
Van Holsbeke C, Daemen A, Yazbek J, Holland TK, Bourne T, Mesens T, Lannoo L, Boes AS, Joos A, Van De Vijver A, Roggen N, de Moor B, de Jonge E, Testa AC, Valentin L, Jurkovic D, Timmerman D.
Gynecol Obstet Invest. 2009 Dec 11;69(3):160-168. [Epub ahead of print]

Acoustic streaming cannot discriminate reliably between endometriomas and other types of adnexal lesion: a multicenter study of 633 adnexal masses.
Van Holsbeke C, Zhang J, Van Belle V, Paladini D, Guerriero S, Czekierdowski A, Muggah H, Ombelet W, Jurkovic D, Testa AC, Valentin L, Van Huffel S, Bourne T, Timmerman D.
Ultrasound Obstet Gynecol. 2010 Mar;35(3):349-53.

Prospective external validation of the “ovarian crescent sign” as a single ultrasound parameter to distinguish between benign and malignant adnexal pathology.
Van Holsbeke C, Van Belle V, Leone F, Guerriero S, Paladini D, Melis G, Greggi S, Fischerova D, de Jonge E, Neven P, Bourne T, Valentin L, Van Huffel S, Timmerman D.
Ultrasound Obstet Gynecol. 2010 Mar 9. [Epub ahead of print]

The accuracy of peritoneal fluid measurements by transvaginal ultrasound.
Verguts J, Timmerman D, Bourne T, Lewi P, Koninckx P.
Ultrasound Obstet Gynecol. 2010 Mar 12. [Epub ahead of print]

Twin growth discrepancy in early pregnancy
Bora SA, Papageorghiou AT, Bottomley C, Bourne T
Ultrasound Obstets Gynecol, 2009; 34:38-42

A scoring system to differentiate benign from malignant masses in specific subgroups of adnexal tumors
AmeyeL, Valentin L, Testa A, Van Holsbeke C, Domali E, Van Huffel S, Vergote I, Bourne T, Timmerman D
Ultrasound Obstets Gynecol, 2009; 33: 92-101.

Probabilistic three-class classification of pregnancies of unknown location: comparison of methods with extensive performance evaluation
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S
Artificial Intelligence in Medicine, 2009; 46″139-154

Functional linear discriminant analysis: a new longitudinal approach to assess embryonic growth
Bottomley C, Daemen A, Mukri F, Papageorghiou, A.T, Kirk, E, Pexsters, A, De Moor ** B, Timmerman D, Bourne T
Hum Reprod, 2009; 24: 278-283

The use of serum inhibin A and activin A levels in predicting the outcome of pregnancies of unknown location
Kirk E, Papageorghiou A, Van Calster B, Condous G, Cowans N, Van Huffel S, Timmerman D, Spencer K, Bourne T
Hum Reprod, 2009, 24 (10): 2451-2456

Diagnostic performance of pattern recognition for the preoperative classification of adnexal masses when used by sonologists with different levels of ultrasound experience
Van Holsbeke C, Daemen A, Yazbek J, Holland T.K, Bourne T, Mesens T, Lannoo L, Boes A, Joos A, Van De Vijver A, Roggen N, de Moor B, de Jonge E, Testa A.C, Valentin L, Jurkovic D, Timmerman D
Ultrasound Obstets Gynecol, 2009,; 34: 454-461

The optimal timing of an ultrasound scan to assess the viability of an early pregnancy
Bottomley C, Van Belle V, Mukri F, Kirk E, Van Huffel S, Timmerman D, Bourne, T
Ultrasound Obstets Gynecol, 2009; 24: 1811-1817

Adding CA-125 to ultrasound performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses. A prospective international multicentre study of 809 patients.
Valentin L, JurkoviC D, Van Calster B, Testa A, Van Holsbeke C, Bourne T, Vergote I, Van Huffel S, Timmerman D
Ultrasound Obstets Gynecol, 2009; 34: 345-354

Ultrasound methods to distinguish between malignant and benign adnexal masses in the hands of examiners with different level of experience
Van Holsbeke C, Daemen A, Yazbek J, Holland T K, Bourne T, Mesens T, Lannoo L, De Moor B, de Jonge E, Testa A C, Valentin L, Jurkovic D, Timmerman D
Ultrasound Obstets Gynecol, 2009: 34 (4); 454-461

Probabilistic three-class classification of pregnancies of unknown location using advanced methods
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S
Artificial Intelligence in Medicine, 2009; 46: 139-154

Adding a single CA 25 measurement to ultrasound imaging performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses
Valentin L, Jurkovic D, Van Calster B, testa A, Van Holsbeke C, Bourne T, Vergote I, Van Huffel S, Timmerman D.
Ultrasound Obstets Gynecol, 2009; 34: 345-354

The use of serum inhibin A and activin A levels in predicting the outcome of pregnancies of unknown location
Kirk E, Papageorghiou A, Van Calster B, Condous G, Cowans N, Van Huffel S, Timmerman D, Spencer K, Bourne T
Hum Reprod, 2009; 24: 2451-2456

Ultrasound methods to distinguish between malignant and benign adnexal masses in the hands of examiners with different level of experience
Van Holsbeke C, Daemen A, Yazbek J, Holland T K, Bourne T, Mesens T, Lannoo L, De Moor B, de Jonge E, Testa A C, Valentin L, Jurkovic D, Timmerman D
Ultrasound Obstets Gynecol, 2009; 34: 454-461

Simple ultrasound rules to distinguish between benign and malignant adnexal masses before surgery: prospective validation by IOTA group. Timmerman D, Ameye L, Fischerova D, Epstein E, Melis GB, Guerriero S, Van Holsbeke C, Savelli L, Fruscio R, Lissoni AA, Testa AC, Veldman J, Vergote I, Van Huffel S, Bourne T, Valentin L. BMJ. 2010 Dec 14; 341:c6839. doi: 10.1136/bmj.c6839.

Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population? Barnhart KT, Sammel MD, Appleby D, Rausch M, Molinaro T, Van Calster B, Kirk E, Condous G, Van Huffel S, Timmerman D, Bourne T. Hum Reprod. 2010 Oct; 25(10): 2434-40.

Polytomous diagnosis of ovarian tumors as benign, borderline, primary invasive or metastatic: development and validation of standard and kernel-based risk prediction models. Van Calster B, Valentin L, Van Holsbeke C, Testa AC, Bourne T, Van Huffel S, Timmerman D. BMC Med Res Methodol. 2010 Oct 20;10: 96.

No influence of body mass index on first trimester fetal growth. Sarris I, Bottomley C, Daemen A, Pexsters A, Timmerman D, Bourne T, Papageorghiou AT. Hum Reprod. 2010 Aug; 25(8): 1895-9.

The relationship between first trimester fetal growth, pregnancy-associated plasma protein A levels and birthweight. Habayeb O, Daemen A, Timmerman D, De Moor B, Hackett GA, Bourne T, Lees CC. Prenat Diagn. 2010 Sep; 30(9): 873-8.

New crown-rump length curve based on over 3500 pregnancies. Pexsters A, Daemen A, Bottomley C, Van Schoubroeck D, De Catte L, De Moor B, D’Hooghe T, Lees C, Timmerman D, Bourne T Ultrasound Obstet Gynecol. 2010 Jun; 35(6): 650-5.

Endometriomas: their ultrasound characteristics. Van Holsbeke C, Van Calster B, Guerriero S, Savelli L, Paladini D, Lissoni AA,    Czekierdowski A, Fischerova D, Zhang J, Mestdagh G, Testa AC,Bourne T, Valentin L, Timmerman D. Ultrasound Obstet Gynecol. 2010 Jun; 35(6): 730-40.

Viability of intrauterine pregnancy in women with pregnancy of unknown location: prediction using human chorionic gonadotropin ratio vs. progesterone. Bignardi T, Condous G, Kirk E, Van Calster B, Van Huffel S, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2010 Jun; 35(6): 656-61.

Ovarian cancer prediction in adnexal masses using ultrasound-based logistic regression models: a temporal and external validation study by the IOTA group. Timmerman D, Van Calster B, Testa AC, Guerriero S, Fischerova D, Lissoni AA, Van Holsbeke C, Fruscio R, Czekierdowski A, Jurkovic D, Savelli L, Vergote I, Bourne T, Van Huffel S, Valentin L. Ultrasound Obstet Gynecol. 2010 Aug; 36(2):226-34.

Accuracy of peritoneal fluid measurements by transvaginal ultrasonography. Verguts J, Timmerman D, Bourne T, Lewi P, Koninckx P. Ultrasound Obstet Gynecol. 2010 May; 35(5): 589-92.

Prospective external validation of the ‘ovarian crescent sign’ as a single ultrasound parameter to distinguish between benign and malignant adnexal pathology. Van Holsbeke C, Van Belle V, Leone FP, Guerriero S, Paladini D, Melis GB, Greggi S, Fischerova D, De Jonge E, Neven P, Bourne T, Valentin L, Van Huffel S, Timmerman D. Ultrasound Obstet Gynecol. 2010 Jul; 36(1): 81-7.

Acoustic streaming cannot discriminate reliably between endometriomas and other types of adnexal lesion: a multi-center study of 633 adnexal masses. Van Holsbeke C, Zhang J, Van Belle V, Paladini D, Guerriero S, Czekierdowski A, Muggah H, Ombelet W, Jurkovic D, Testa AC, Valentin L, Van Huffel S, Bourne T, Timmerman D. Ultrasound Obstet Gynecol. 2010 Mar; 35(3): 349-53.

Ultrasound experience substantially impacts on diagnostic performance and confidence when adnexal masses are classified using pattern recognition. Van Holsbeke C, Daemen A, Yazbek J, Holland TK, Bourne T, Mesens T, Lannoo L, Boes AS, Joos A, Van De Vijver A, Roggen N, de Moor B, de Jonge E, Testa AC, Valentin L, Jurkovic D, Timmerman D. Gynecol Obstet Invest. 2010; 69(3):160-8.

Terms, definitions and measurements to describe the sonographic features of the endometrium and intrauterine lesions: a consensus opinion from the International Endometrial Tumor Analysis (IETA) group. Leone FP, Timmerman D, Bourne T, Valentin L, Epstein E, Goldstein SR, Marret H, Parsons AK, Gull B, Istre O, Sepulveda W, Ferrazzi E, Van den Bosch T. Ultrasound Obstet Gynecol. 2010 Jan; 35(1): 103-12.

Performance of the American College of Obstetricians and Gynecologists’ ovarian tumor referral guidelines with a multivariate index assay. Timmerman D, Van Calster B, Vergote I, Van Hoorde K, Van Gorp T, Valentin L, Bourne TObstet Gynecol. 2011 Nov; 118(5): 1179-81. 

Limitations of current definitions of miscarriage using mean gestational sac diameter and crown-rump length measurements: a multicenter observational study.Abdallah Y, Daemen A, Kirk E, Pexsters A, Naji O, Stalder C, Gould D, Ahmed S, Guha S, Syed S, Bottomley C, Timmerman D, Bourne T. Ultrasound Obstet Gynecol. 2011 Nov; 38(5): 497-502.

Gestational sac and embryonic growth are not useful as criteria to define miscarriage: a multicenter observational study.  Abdallah Y, Daemen A, Guha S, Syed S, Naji O, Pexsters A, Kirk E, Stalder C, Gould D, Ahmed S, Bottomley C, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2011 Nov; 38(5): 503-9.

Clinical implications of intra- and interobserver reproducibility of transvaginal sonographic measurement of gestational sac and crown-rump length at 6-9 weeks’ gestation. Pexsters A, Luts J, Van Schoubroeck D, Bottomley C, Van Calster B, Van Huffel S, Abdallah Y, D’Hooghe T, Lees C, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2011 Nov; 38(5): 510-5.

Three-dimensional image of a tubal heterotopic pregnancy following assisted reproduction treatment. Abdallah Y, Stalder C, Bourne TUltrasound Obstet Gynecol. 2011 Oct; 38(4): 484-5.

A novel approach to predict the likelihood of specific ovarian tumor pathology based on serum CA-125: a multicenter observational study.Van Calster B, Valentin L, Van Holsbeke C, Zhang J, Jurkovic D, Lissoni AA, Testa AC, Czekierdowski A, Fischerová D, Domali E, Van de Putte G, Vergote I, Van Huffel S, Bourne T, Timmerman D.Cancer Epidemiol Biomarkers Prev. 2011 Nov; 20(11): 2420-8.

Standardized approach for imaging and measuring Cesarean section scars using ultrasonography. Naji O, Abdallah Y, Bij de Vaate A, Smith A, Pexsters A, Stalder C, McIndoe A, Ghaem-Maghami S, Lees C, Brölmann HA, Huirne JA, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2012 Mar; 39(3): 252-9.

 Effect of gel-instillation sonography on Doppler ultrasound findings in endometrial polyps. Van Den Bosch T, Van Schoubroeck D, Luts J, Bignardi T, Condous G, Epstein E, Leone FP, Testa AC, Valentin L, Van Huffel S, Bourne T, Timmerman D. Ultrasound Obstet Gynecol. 2011 Sep; 38(3): 355-9.

A model and scoring system to predict outcome of intrauterine pregnancies of uncertain viability. Bottomley C, Van Belle V, Pexsters A, Papageorghiou AT, Mukri F, Kirk E, Van Huffel S, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2011 May; 37(5): 588-95.

 Umbilical artery pulsatility index and fetal abdominal circumference in isolated gastroschisis. Hussain U, Daemen A, Missfelder-Lobos H, De Moor B, Timmerman D, Bourne T, Lees C. Ultrasound Obstet Gynecol. 2011 Nov; 38(5): 538-42.

Is serum human chorionic gonadotrophin follow-up necessary after suspected spillage of trophoblast at the time of laparoscopic surgery for ectopic pregnancy? Bora SA, Kirk E, Daemen A, Timmerman D, Bourne TGynecol Obstet Invest. 2011; 71(4): 225-8.

Ectopic pregnancy: using the hCG ratio to select women for expectant or medical management. Kirk E, Van Calster B, Condous G, Papageorghiou AT, Gevaert O, Van Huffel S, De Moor B, Timmerman D, Bourne TActa Obstet Gynecol Scand. 2011 Mar; 90(3): 264-72.

Pregnancy of unknown location: a consensus statement of nomenclature, definitions, and outcome. Barnhart K, van Mello NM, Bourne T, Kirk E, Van Calster B, Bottomley C, Chung K, Condous G, Goldstein S, Hajenius PJ, Mol BW, Molinaro T, O’Flynn O’Brien KL, Husicka R, Sammel M, Timmerman D. Fertil Steril, 2011 Mar 1; 95(3): 857-66.

Improving the preoperative classification of adnexal masses as benign or malignant by second-stage tests. Daemen A, Valentin L, Fruscio R, Van Holsbeke C, Melis GB, Guerriero S, Czekierdowski A, Jurkovic D, Ombelet W, Rossi A, Vergote I, Bourne T, De Moor B, Timmerman D. Ultrasound Obstet Gynecol. 2011 Jan; 37(1): 100-6.

Effect of cancer prevalence on the use of risk-assessment cut-off levels and the performance of mathematical models to distinguish malignant from benign adnexal masses. Daemen A, Jurkovic D, Van Holsbeke C, Guerriero S, Testa AC, Czekierdowski A, Fruscio R, Paladini D, Neven P, Rossi A, Bourne T, De Moor B, Timmerman D. Ultrasound Obstet Gynecol. 2011 Feb; 37(2): 226-31.

When is a pregnancy non-viable – what criteria should be used to define miscarriage?  Bourne T, Bottomley C. Fertil Steril, 2012; 98(5), 1091-1096.  

Changes seen in the ultrasound features of a presumed decidualised ovarian endometrioma mimicking malignancy. Sayasneh A, Naji O, Abdallah Y, Stalder C, Bourne T.J Obstets Gynaecol, 2012; 32: 807-811.

Changes in Cesarean section scar dimensions during pregnancy: a prospective longitudinal study. Naji O, Daemen A, Smith A, Abdallah Y, Saso S, Stalder C, Sayasneh A, McIndoe A, Ghaem-Maghami S, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2012 Oct 25. doi: 10.1002/uog.12334.

Impact of ovulation and implantation timing on first trimester crown-rump length and gestational age. Mahendru A, Daemen A, Everett T, Wilkinson I, McEniery C, Abdallah Y, Timmerman D, Bourne T, Lees CUltrasound Obstet Gynecol. 2012 Dec; 40(6): 630-5.

Preoperative identification of a suspicious adnexal mass. Kaijser J, Sayasneh A, Van Calster B, Timmerman D, Bourne TGynecol Oncol. 2012; 127(1): 260-2.

Do pocket-sized ultrasound machines have the potential to be used as a tool to triage patients in obstetrics and gynecology? Sayasneh A, Preisler J, Smith A, Saso S, Naji O, Abdallah Y, Stalder C, Daemen A, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2012 Aug; 40(2): 145-50.

Clinically oriented three-step strategy to the assessment of adnexal pathology. Ameye L, Timmerman D, Valentin L, Paladini D, Jingzhang, Van Holsbeke C, Lissoni AA, Savelli L, Veldman J, Testa AC, Amant F, Van Huffel S, Bourne T. Ultrasound Obstet Gynecol; 2012; 40(5), 582-591.

A mathematical model for interpretable clinical decision support with applications in gynecology. Van Belle VM, Van Calster B, Timmerman D, Bourne T, Bottomley C, Valentin L, Neven P, Van Huffel S, Suykens JA, Boyd S. PLoS One. 2012; 7(3): e34312.

The detection of intracavitary uterine pathology using off-line analysis of 3-dimensional ultrasound volumes: interobserver agreement and diagnostic accuracy. Van den Bosch T, Valentin L, Van Schoubroeck D, Luts J, Bignardi T, Condous G, Epstein E, Leone F, Testa AC, Van Huffel S, Bourne T, Timmerman D. Ultrasound Obstet Gynecol, 2012 Oct; 40(4): 459-63.

Imaging in gynecological disease (7): clinical and ultrasound features of Brenner tumors of the ovary. Dierickx I, Valentin L, Van Holsbeke C, Jacomen G, Lissoni AA, Licameli A, Testa A, Bourne T, Timmerman D. Ultrasound Obstet Gynecol, 2012 Dec; 40(6): 706-13.

Characterising ovarian pathology: refining the performance of ultrasonography. Timmerman D, Bourne T, De Rijdt S, Kaijser J, Van Calster B, Int J Gyne Cancer, 2012; May; 22 Suppl 1:S9-11.

The visibility and measurement of Caesarean section scars in pregnancy:  an interobserver variability study. Naji O, Daemen A, Smith A, Abdallah Y, Saso S, Stalder C, Sayasneh A, McIndoe A, Ghaem-Maghami S, Timmerman D, Bourne T. Ultrasound Obstets Gynecol, 2012; 40(5): 549-56.

Does the presence of a Caesarean section scar influence the site of placental implantation and subsequent migration in future pregnancies:  A prospective case-control study. Naji O, Daemen A, Smith A, Abdallah Y, Bradburn E, Giggens R, Chan DCY, Stalder C, Ghaem-Maghami S, Timmerman D, Bourne T.Ultrasound Obstets Gynecol, 2012; 40(5): 557-61.

Triaging patients with ovarian masses for surgery: observational diagnostic study to compare RCOG guidelines with an International Ovarian Tumour Analysis (IOTA) group protocol. Van Calster B, Timmerman D, Valentin L, McIndoe A, Ghaem-Maghami S, Testa AC, Vergote  I, Bourne T. BJOG, 2012; May; 119(6): 662-71.

Ectopic Pregnancy. Shaw JL, Diamandis EP, Horne A, Barnhart K, Bourne T, Messinis IE. Clin Chem, 2012 Sep; 58(9):1278-85.

Pregnancy of unknown viability or location: less is more in the majority of cases. Raine-Fenning N, Sur S, Horne AW, Wilkinson H, Bourne TJ Fam Plann Reprod Health Care. 2012; 38(1): 7-10.

Improved modeling of clinical data with kernel methods. Daemen A, Timmerman D, Van den Bosch T, Bottomley C, Kirk E, Van Holsbeke C, Valentin L, Bourne T, De Moor B. Artif Intell Med. 2012 Feb; 54(2): 103-14.

External validation of diagnostic models to estimate the risk of malignancy in adnexal masses. Van Holsbeke CD, Van Calster B, Bourne T, Ajossa S, Testa AC, Guerriero S, Fruscio R, Lissoni AA, Czekierdowski A, Savelli L, Van Huffel S, Valentin L, Timmerman D. Clin Cancer Res. 2012 Feb; 54(2): 103-14.

Ultrasound assessment of the peri-implantation uterus. Abdallah Y, Naji O, Pexsters A, Stalder C, Sur S, Raine-Fenning N, Timmerman D, Brosens J, Bourne TUltrasound Obstet Gynecol. 2012 Jun; 39(6):612-9.

The Influence of Weight Gain Patterns in Pregnancy on Fetal Growth Using Cluster Analysis in an Obese and Non-Obese Population. Galjaard S, Pexsters A, Devlieger R, Guelinckx I, Abdallah Y, Lewis C, Van Calster B, Bourne T, Timmerman D, Luts J.Obesity, 2013, doi:10.1038/oby.20348

NICE guidance on ectopic pregnancy and miscarriage restricts access and choice and may be clinically unsafe.Bourne T, Barnhart K, Benson CB, Brosens J, Van Calster B, Condous G, Coomerasamy A, Doubilet PM, Goldstein SR, Gould D, Kirk E, Mol BW, Raine-Fenning N, Stalder C, Timmerman D. BMJ. 2013 Jan 22; 346:f197. doi: 10.1136/bmj.f197.

Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies. Van Calster B, Abdallah Y, Guha S, Kirk E, Van Hoorde K, Condous G, Preisler J, Hoo W, Stalder C, Bottomley C, Timmerman D, Bourne THum Reprod. 2013 Jan 4. doi:10.1093/humrep/des440.

Accurate prediction of pregnancy viability by means of a simple scoring system Bottomley C, Van Belle V, Pexsters A, Papageorghiou AT, Mukri F, Kirk E, Van Huffel S, Timmerman D, BourneT. Hum Reprod. 2013, 28(1), 68-76.

Improving strategies for diagnosing ovarian cancer: a summary of the International Ovarian Tumor Analysis (IOTA) studies. Kaijser J, Bourne T, Valentin L, Sayasneh A, Van Holsbeke C, Vergote I, Testa AC, Franchi D, Van Calster B, Timmerman D. Ultrasound Obstet Gynecol. 2013; 41(1): 9-20. doi: 10.1002/uog.12323.

Does the presence of a caesarean section scar affect implantation site and early pregnancy outcome in women attending an early pregnancy assessment unit?  Naji O, Wynants L, Smith A, Abdallah Y, Saso S, Stalder C, Van Huffel S, Ghaem-Maghami S, Van Calster B, Timmerman D, Bourne T. Hum Reprod. 2013, in press

Predicting successful vaginal birth after cesarean section using a model based on cesarean scar features examined using transvaginal sonography. Naji O, Wynants L, Smith A, Abdallah Y, Stalder C, Sayasneh A, McIndoe A, Ghaem-Maghami S, Van Huffel S, Van Calster B, Timmerman D, Bourne TUltrasound Obstet Gynecol, 2013; Feb 1. doi: 10.1002/uog.12423.

A comparison between an ultrasound-based prediction model (LR2) and the Risk of Ovarian Malignancy Algorithm (ROMA) to assess the risk of malignancy in women with an adnexal mass. Kaijser J, Van Gorp T, Van Hoorde K, Van Holsbeke C, Sayasneh A, Vergote I,  Bourne T, Timmerman D, Van Calster B. Gynecol Oncol, 2013, doi:pii: S0090-8258(13)00028-0. 10.1016/j.ygyno.2013.01.018.

External validation of models and simple scoring systems to predict miscarriage in intrauterine pregnancies of uncertain viability. Guha S, Van Belle V, Bottomley C, Preisler J, Vathanan V, Sayasneh A, Stalder C, Timmerman D, Bourne THum Reprod. 2013 Nov;28(11):2905-11.

Defining the relationship between fetal Doppler indices, abdominal circumference and growth rate in severe fetal growth restriction using functional linear discriminant analysis. Talmor A, Daemen A, Murdoch E, Missfelder-Lobos H, Timmerman D, Bourne T, Giussani DA, Lees C. J R Soc Interface. 2013 Aug 21;10(88):20130376. doi: 10.1098/rsif.2013.0376.

The prevalence, potential risk factors for development and symptoms related to the presence of uterine niches following Cesarean section: a systematic review. Bij de Vaate AJ, van der Voet LF, Naji O, Witmer M, Veersema S, Brölmann HA, Bourne T, Huirne JA. Ultrasound Obstet Gynecol. 2013 Aug 30. doi: 10.1002/uog.13199.

Diagnostic criteria for nonviable pregnancy early in the first trimester. Doubilet PM, Benson CB, Bourne T, Blaivas M; Society of Radiologists in Ultrasound Multispecialty Panel on Early First Trimester Diagnosis of Miscarriage and Exclusion of a Viable Intrauterine Pregnancy, Barnhart KT, Benacerraf BR, Brown DL, Filly RA, Fox JC, Goldstein SR, Kendall JL, Lyons EA, Porter MB, Pretorius DH, Timor-Tritsch IE.N Engl J Med. 2013 Oct 10;369(15):1443-51. doi: 10.1056/NEJMra1302417.

Screening for data clustering in multicenter studies: the residual intraclass correlation. Wynants L, Timmerman D, Bourne T, Van Huffel S, Van Calster B. BMC Med Res Methodol. 2013 Oct 23;13:128. doi: 10.1186/1471-2288-13-128.

The use of a pocked-sized ultrasound machine (PUM) for routine examinations in the third trimester of pregnancy. Galjaard S, Baeck S, Ameye L, Bourne T, Timmerman D, Devlieger R. Ultrasound Obstet Gynecol. 2013 Dec 19. doi: 10.1002/uog.13285.

Presurgical diagnosis of adnexal tumours using mathematical models and scoring systems: a systematic review and meta-analysis. Kaijser J, Sayasneh A, Van Hoorde K, Ghaem-Maghami S, Bourne T, Timmerman D, Van Calster B. Hum Reprod Update. 2013 Dec 9. [Epub ahead of print]

Do women with pain and bleeding in early pregnancy require a vaginal speculum examination as part of their assessment? Bora SA, Kirk E, Bourne TGynecol Obstet Invest. 2014;77(1):29-34. doi: 10.1159/000355923.

Ectopic pregnancy prediction in women with a pregnancy of unknown location: data beyond 48 h are necessary. Zee J, Sammel MD, Chung K, Takacs P, Bourne T, Barnhart KT. Hum Reprod. 2014 Mar;29(3):441-7. doi: 10.1093/humrep/det450.

Letter to the editor JMIG on the article “Cesarean scar defects: an under recognized cause of abnormal uterine bleeding and other gynecologic complications” (2013;20; 562-572). Brölmann HA, Bijdevaate M, van der Voet L, Naji O, Hehenkamp W, Bourne T, Huirne JA. J Minim Invasive Gynecol. 2014 Jan 11. pii: S1553-4650(14)00025-9. doi: 10.1016/j.jmig.2013.12.120.

Normative data for uterine size according to age and gravidity and possible role of the classical golden ratio.Verguts J, Ameye L, Bourne T, Timmerman D. Ultrasound Obstet Gynecol. 2013 Dec;42(6):713-7. doi: 10.1002/uog.12538.

Multicentre external validation of IOTA prediction models and RMI by operators with varied training. Sayasneh A, Wynants L, Preisler J, Kaijser J, Johnson S, Stalder C, Husicka R, Abdallah Y, Raslan F, Drought A, Smith AA, Ghaem-Maghami S, Epstein E, Van Calster B, Timmerman D, Bourne TBr J Cancer. 2013 Jun 25;108(12):2448-54. doi: 10.1038/bjc.2013.224. Epub 2013 May 14.

Differentiating stage I epithelial ovarian cancer from benign disease in women with adnexal tumors using biomarkers or the ROMA algorithm. Kaijser J, Van Gorp T, Sayasneh A, Vergote I, Bourne T, Van Calster B, Timmerman D. Gynecol Oncol. 2013 Aug;130(2):398-9. doi: 10.1016/j.ygyno.2013.04.472. Epub 2013 May 6.

Screening for data clustering in multicenter studies: the residual intraclass correlation. Wynants L, Timmerman D, Bourne T, Van Huffel S, Van Calster B. BMC Med Res Methodol. 2013 Oct 23;13:128. doi: 10.1186/1471-2288-13-128.

Do women with pain and bleeding in early pregnancy require a vaginal speculum examination as part of their assessment?Bora SA, Kirk E, Bourne TGynecol Obstet Invest. 2014;77(1):29-34. doi: 10.1159/000355923. Epub 2013 Nov 7.

Presurgical diagnosis of adnexal tumours using mathematical models and scoring systems: a systematic review and meta-analysis. Kaijser J, Sayasneh A, Van Hoorde K, Ghaem-Maghami S, Bourne T, Timmerman D, Van Calster B. Hum Reprod Update. 2014 May-Jun;20(3):449-62. doi: 10.1093/humupd/dmt059. Epub 2013 Dec 9.

Ectopic pregnancy prediction in women with a pregnancy of unknown location: data beyond 48 h are necessary. Zee J, Sammel MD, Chung K, Takacs P, Bourne T, Barnhart KT. Hum Reprod. 2014 Mar;29(3):441-7. doi: 10.1093/humrep/det450. Epub 2013 Dec 18.

Use of a pocket-sized ultrasound machine (PUM) for routine examinations in the third trimester of pregnancy. Galjaard S, Baeck S, Ameye L, Bourne T, Timmerman D, Devlieger R. Ultrasound Obstet Gynecol. 2014 Jul;44(1):64-8. doi: 10.1002/uog.13285.

Letter to the Editor JMIG on the Article “Cesarean scar defects: an underrecognized cause of abnormal uterine bleeding and other gynecologic complications” (2013;20; 562-572). Brölmann HA, BijdeVaate M, van der Voet L, Naji O, Hehenkamp W, Bourne T, Huirne JA. J Minim Invasive Gynecol. 2014 May-Jun;21(3):498-9. doi: 10.1016/j.jmig.2013.12.120. Epub 2014 Jan 11.

Triaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levels. Guha S, Ayim F, Ludlow J, Sayasneh A, Condous G, Kirk E, Stalder C, Timmerman D, Bourne T, Van Calster B. Hum Reprod. 2014 May;29(5):938-45. doi: 10.1093/humrep/deu045. Epub 2014 Mar 14.

Imaging techniques for the pre-surgical diagnosis of adnexal tumours. Kaijser J, Vandecaveye V, Deroose CM, Rockall A, Thomassin-Naggara I, Bourne T, Timmerman D. Best Pract Res Clin Obstet Gynaecol. 2014 Jul;28(5):683-95. doi: 10.1016/j.bpobgyn.2014.03.013

Diagnostic criteria for nonviable pregnancy early in the first trimester. Doubilet PM, Benson CB, Bourne T, Blaivas M; Society of Radiologists in Ultrasound Multispecialty Panel on Early First Trimester Diagnosis of Miscarriage and Exclusion of a Viable Intrauterine Pregnancy. Ultrasound Q. 2014 Mar;30(1):3-9. doi: 10.1097/RUQ.0000000000000060.

Strategies to diagnose ovarian cancer: new evidence from phase 3 of the multicentre international IOTA study. Testa A, Kaijser J, Wynants L, Fischerova D, Van Holsbeke C, Franchi D, Savelli L, Epstein E, Czekierdowski A, Guerriero S, Fruscio R, Leone FP, Vergote I, Bourne T, Valentin L, Van Calster B, Timmerman D. Br J Cancer. 2014 Aug 12;111(4):680-8. doi: 10.1038/bjc.2014.333. Epub 2014 Jun 17.

Prognostic value of serum HE4 levels and risk of ovarian malignancy algorithm scores at the time of ovarian cancer diagnosis. Kaijser J, Van Belle V, Van Gorp T, Sayasneh A, Vergote I, Bourne T, Van Calster B, Timmerman D. Int J Gynecol Cancer. 2014 Sep;24(7):1173-80. doi: 10.1097/IGC.0000000000000181.

Accuracy of ultrasonography performed by examiners with varied training and experience in predicting specific pathology of adnexal masses. Sayasneh A, Kaijser J, Preisler J, Smith AA, Raslan F, Johnson S, Husicka R, Ferrara L, Stalder C, Ghaem-Maghami S, Timmerman D, Bourne TUltrasound Obstet Gynecol. 2015 May;45(5):605-12. doi: 10.1002/uog.14675. Epub 2015 Apr 6.

Evaluating the risk of ovarian cancer before surgery using the ADNEX model to differentiate between benign, borderline, early and advanced stage invasive, and secondary metastatic tumours: prospective multicentre diagnostic study. Van Calster B, Van Hoorde K, Valentin L, Testa AC, Fischerova D, Van Holsbeke C, Savelli L, Franchi D, Epstein E, Kaijser J, Van Belle V, Czekierdowski A, Guerriero S, Fruscio R, Lanzani C, Scala F,Bourne T, Timmerman D; International Ovarian Tumour Analysis Group. BMJ. 2014 Oct 15;349:g5920. doi: 10.1136/bmj.g5920.

The characteristic ultrasound features of specific types of ovarian pathology (review). Sayasneh A, Ekechi C, Ferrara L, Kaijser J, Stalder C, Sur S, Timmerman D, Bourne TInt J Oncol. 2015 Feb;46(2):445-58. doi: 10.3892/ijo.2014.2764. Epub 2014 Nov 18.

A missed opportunity for excellence: the NICE guideline on the diagnosis and initial management of ectopic pregnancy and miscarriage. Bourne TJ Fam Plann Reprod Health Care. 2015 Jan;41(1):13-9. doi: 10.1136/jfprhc-2014-101025

NICE guidance on place of birth falls short of neutrality. O’Brien AL, Chandiramani M, Lees CC, Teoh T, Bourne T, Jones B, Stalder C, Pandya P, Sur S, Fourie H, Mitra A, A-Memar M, Prior T, Tay J, Tailor V, Fourie H, Khanjani S, Saso S. BMJ. 2014 Dec 31;349:g7776. doi: 10.1136/bmj.g7776.

A spline-based tool to assess and visualize the calibration of multiclass risk predictions. Van Hoorde K, Van Huffel S, Timmerman D, Bourne T, Van Calster B. J Biomed Inform. 2015 Apr;54:283-93. doi: 10.1016/j.jbi.2014.12.016. Epub 2015 Jan 9.

The impact of complaints procedures on the welfare, health and clinical practise of 7926 doctors in the UK: a cross-sectional survey. Bourne T, Wynants L, Peters M, Van Audenhove C, Timmerman D, Van Calster B, Jalmbrant M. BMJ Open. 2015 Jan 15;5(1):e006687. doi: 10.1136/bmjopen-2014-006687.

Terms and definitions for describing myometrial pathology using ultrasonography. Van den Bosch T, Dueholm M, Leone FP, Valentin L, Rasmussen CK, Votino A, Van Schoubroeck D, Landolfo C, Installé AJ, Guerriero S, Exacoustos C, Gordts S, Benacerraf B, D’Hooghe T, De Moor B, Brölmann H, Goldstein S, Epstein E, Bourne T, Timmerman D. Ultrasound Obstet Gynecol. 2015 Feb 4. doi: 10.1002/uog.14806.

Dharmasena case illustrates what is wrong with complaints procedures. Bourne T, Bennett P, Bobdiwala S, Coomarasamy A, Ghaem-Maghami S, Guha S, Horne A, Joash K, Kirk E, Lees C, Al-Memar M, Papageorghiou A, Raine-Fenning N, Sur S, Timmerman D, Ugwamadu A.       BMJ. 2015 Mar 4;350:h1130. doi: 10.1136/bmj.h1130.

Automated characterisation of ultrasound images of ovarian tumours: the diagnostic accuracy of a support vector machine and image processing with a local binary pattern operator. Khazendar S, Sayasneh A, Al-Assam H, Du H, Kaijser J, Ferrara L, Timmerman D, Jassim S, Bourne TFacts Views Vis Obgyn. 2015;7(1):7-15.

Intra-cavitary uterine pathology in women with abnormal uterine bleeding: a prospective study of 1220 women. Van den Bosch T, Ameye L, Van Schoubroeck D, Bourne T, Timmerman D. Facts Views Vis Obgyn. 2015;7(1):17-24.

Practical guidance for applying the ADNEX model from the IOTA group to discriminate between different subtypes of adnexal tumors.
Van Calster B, Van Hoorde K, Froyman W, Kaijser J, Wynants L, Landolfo C, Anthoulakis C, Vergote I, Bourne T, Timmerman D.
Facts Views Vis Obgyn. 2015;7(1):32-41.

Defining safe criteria to diagnose miscarriage: prospective observational multicentre study.
Preisler J, Kopeika J, Ismail L, Vathanan V, Farren J, Abdallah Y, Battacharjee P, Van Holsbeke C, Bottomley C, Gould D, Johnson S, Stalder C, Van Calster B, Hamilton J, Timmerman D, Bourne T.
BMJ. 2015 Sep 23;351:h4579. doi: 10.1136/bmj.h4579.

Interobserver agreement in assessing polycystic ovarian morphology using pattern recognition.
Van Schoubroeck D, Raine-Fenning N, Installé AJ, De Neubourg D, De Moor B, Bourne T, Van den Bosch T, Timmerman D.
Ultrasound Obstet Gynecol. 2015 Sep 29. doi: 10.1002/uog.15768.

Managing pregnancy of unknown location based on initial serum progesterone and serial serum hCG: development and validation of a two-step triage protocol.
Van Calster B, Bobdiwala S, Guha S, Van Hoorde K, Al-Memar M, Harvey R, Farren J, Kirk E, Condous G, Sur S, Stalder C, Timmerman D, Bourne T.
Ultrasound Obstet Gynecol. 2016 Jan 18. doi: 10.1002/uog.15864.

Predicting the risk of malignancy in adnexal masses based on the Simple Rules from the International Ovarian Tumor Analysis group.
Timmerman D, Van Calster B, Testa A, Savelli L, Fischerova D, Froyman W, Wynants L, Van Holsbeke C, Epstein E, Franchi D, Kaijser J, Czekierdowski A, Guerriero S, Fruscio R, Leone FP, Rossi A, Landolfo C, Vergote I, Bourne T, Valentin L.
Am J Obstet Gynecol. 2016 Apr;214(4):424-37. doi: 10.1016/j.ajog.2016.01.007.

Morcellation and risk of malignancy in presumed ovarian fibromas/fibrothecomas.
Froyman W, Landolfo C, Amant F, Van den Bosch T, Vergote I, Coosemans A, Testa A, Valentin L, Bourne T, Calster BV, Timmerman D.
Lancet Oncol. 2016 Mar;17(3):273-4. doi: 10.1016/S1470-2045(16)00022-X. Epub 2016 Mar 2.