• 1
    Granberg S, Wikland M, Jansson I. Macroscopic characterization of ovarian tumors and the relation to the histological diagnosis: Criteria to be used for ultrasound evaluation. Gynecol Oncol 1989; 35: 139144.
  • 2
    Sassone AM, Timor-Tritsch IE, Artner A, Westhoff C, Warren WB. Transvaginal sonographic characterization of ovarian disease: evaluation of a new scoring system to predict ovarian malignancy. Obstet Gynecol 1991; 78: 7076.
  • 3
    Bourne TH, Campbell S, Reynolds KM, Whitehead MI, Hampson J, Royston P, Crayford TJ, Collins WP. Screening for early familial ovarian cancer with transvaginal ultrasonography and colour blood flow imaging. BMJ 1993; 306: 10251029.
  • 4
    Lerner JP, Timor-Tritsch IE, Federman A, Abramovich G. Transvaginal ultrasonographic characterization of ovarian masses with an improved, weighted scoring system. Am J Obstet Gynecol 1994; 170: 8185.
  • 5
    Ferrazzi E, Zanetta G, Dordoni D, Berlanda N, Mezzopane R, Lissoni AA. Transvaginal ultrasonographic characterization of ovarian masses: comparison of five scoring systems in a multicenter study. Ultrasound Obstet Gynecol 1997; 10: 192197.
  • 6
    Bourne TH, Campbell S, Steer C, Whitehead MI, Collins WP. Transvaginal colour flow imaging: a possible new screening technique for ovarian cancer. BMJ 1989; 299: 13671370.
  • 7
    Tekay A, Joupilla P. Validity of pulsatility and resistance indices in classification of adnexal tumors with transvaginal color Doppler ultrasound. Ultrasound Obstet Gynecol 1992; 2: 338344.
  • 8
    Valentin L, Sladkevicius P, Marsál K. Limited contribution of Doppler velocimetry to the differential diagnosis of extrauterine pelvic tumors. Obstet Gynecol 1994; 83: 425433.
  • 9
    Valentin L. Gray scale sonography, subjective evaluation of the color Doppler image and measurement of blood flow velocity for distinguishing benign and malignant tumors of suspected adnexal origin. Eur J Obstet Gynaecol 1997; 72: 6372.
  • 10
    Timmerman D, Bourne TH, Tailor A, Collins WP, Verrelst H, Vandenberghe K, Vergote I. A comparison of methods for the pre-operative discrimination between benign and malignant adnexal masses: the development of a new logistic regression model. Am J Obstet Gynecol 1999; 181: 5765.
  • 11
    Timmerman D, Valentin L, Bourne TH, Collins WP, Verrelst H, Vergote I, International Ovarian Tumor Analysis (IOTA) Group. Terms, definitions and measurements to describe the ultrasonographic features of adnexal tumors: a consensus opinion from the international ovarian tumor analysis (IOTA) group. Ultrasound Obstet Gynecol 2000; 16: 500505.
  • 12
    Timmerman D, Testa AC, Bourne TH, Ferrazzi E, Ameye L, Konstantinovic ML, Van Calster B, Collins WP, Vergote I, Van Huffel S, Valentin L. Logistic regression model to distinguish between the benign and malignant adnexal mass before surgery: a multicenter study by the International Ovarian Tumor Analysis Group. J Clin Oncol 2005; 23: 87948801.
  • 13
    Heintz AP, Odicino F, Maisonneuve P, Beller U, Benedet JL, Creasman WT, Ngan HY, Pecorelli S. Carcinoma of the Ovary, in 25th Annual Report on the Results of Treatment in Gynecological Cancer. Int J Gynecol Obstet 2003; 83:(Suppl 1): S135S137.
  • 14
    Mazumdar M, Glassman Jr. Tutorial in biostatistics. Categorizing a prognostic variable: review of methods, code for easy implementation and applications to decision-making about cancer treatments. Stat Med 2000; 19: 113132.
  • 15
    Hanley JA, McNeil BJ. The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology 1982; 143: 2936.
  • 16
    Timmerman D, Schwärzler P, Collins WP, Claerhout F, Coenen M, Amant F, Vergote I, Bourne TH. Subjective assessment of adnexal masses using ultrasonography: an analysis of interobserver variability and experience. Ultrasound Obstet Gynecol 1999; 13: 1116.
  • 17
    Valentin L. Pattern recognition of pelvic masses by gray-scale ultrasound imaging: the contribution of Doppler ultrasound. Ultrasound Obstet Gynecol 1999; 14: 338347.
  • 18
    Jermy K, Luise C, Bourne TH. The characterization of common ovarian cysts in premenopausal women. Ultrasound Obstet Gynecol 2001; 17: 140144.
  • 19
    Valentin L, Ameye L, Jurkovic D, Metzger U, Lécuru F, Sabine Van Huffel S, Timmerman D. Which extrauterine pelvic masses are difficult to correctly classify as benign or malignant on the basis of ultrasound findings, and is there a way of making a correct diagnosis? Ultrasound Obstet Gynecol 2006; 27: 438444.
  • 20
    Jaeschke R, Guyatt GH, Sackett DL. How to use an article about a diagnostic test. B. What are the results and will they help me in caring for my patients? The Evidence-Based Medicine Working Group. JAMA 1994; 271: 703707.
  • 21
    Timmerman D. Lack of standardization in gynecological ultrasonography (Editorial). Ultrasound Obstet Gynecol 2000; 16: 395398.
  • 22
    Roman LD. Small cystic pelvic masses in older women: is surgical removal necessary? Gynecol Oncol 1998; 69: 12.
  • 23
    Ekerhovd E, Wienerroith H, Staudach A, Granberg S. Preoperative assessment of unilocular adnexal cysts by transvaginal sonography: A comparison between sonographic morphological imaging and histopathologic diagnosis. Am J Obstet Gynecol 2001; 184: 4854.