The IDEA (International Deep Endometriosis Analysis group) statement is a consensus opinion on terms, definitions and measurements that may be used to describe the sonographic features of the different phenotypes of endometriosis. Currently, it is difficult to compare results between published studies because authors use different terms when describing the same structures and anatomical locations. We hope that the terms and definitions suggested herein will be adopted in centers around the world. This would result in consistent use of nomenclature when describing the ultrasound location and extent of endometriosis. We believe that the standardization of terminology will allow meaningful comparisons between future studies in women with an ultrasound diagnosis of endometriosis and should facilitate multicenter research. Copyright © 2016 ISUOG. Published by John Wiley & Sons Ltd.

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This technique shows a high specificity and sensitivity in the detection of vaginal and rectovaginal endometriosis. Good specificity associated with a lower sensitivity was obtained in the diagnosis of deep endometriosis of uterosacral ligaments, rectosigmoid involvement or anterior deep endometriosis.

Objective To review the diagnostic accuracy of transvaginal ultrasound (TVS) in the preoperative detection of endometriosis in the uterosacral ligaments (USL), rectovaginal septum (RVS), vagina and bladder in patients with clinical suspicion of deep infiltrating endometriosis (DIE). Methods An extensive search was performed in MED-

Objective To perform a systematic review of studies comparing the accuracy of transvaginal ultrasound (TVS) and magnetic resonance imaging (MRI) in diagnosing deep infiltrating endometriosis (DIE) including only studies in which patients underwent both techniques. Methods (LR+ and LR-) and diagnostic odds ratio (DOR).Results Of 375 citations identified, six studies (n = 424) were considered eligible. For MRI in the detection of DIE in the rectosigmoid, pooled sensitivity was 0.85 (95% CI, specificity was 0.95 (95% CI, LR+ was 18.4 (95% CI,, LRwas 0.16 (95% CI,. For TVS in the detection of DIE in the rectosigmoid, pooled sensitivity was 0.85 (95% CI, 0.68-0.94), specificity was 0.96 (95% CI, 0.85-0.99), LR+ was 20.4 (95% CI, 4.7-88.5), LR-was 0.16 (95% CI, 0.07-0.38) and DOR was 127 (95% CI, 14-1126 (95% CI, and DOR was 65 (95% CI,. For TVS in the detection of DIE in the rectovaginal septum, pooled sensitivity was 0.59 (95% CI, specificity was 0.97 (95% CI, LR+ was 23.5 (95% CI, and DOR was 56 (95% CI, . For TVS in the detection of DIE in the uterosacral ligaments, pooled sensitivity was 0.67 (95% CI, specificity was 0.86 (95% CI, LR+ was 4.8 (95% CI, LRwas 0.38 (95% CI,[7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]

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Objectives To review the diagnostic accuracy of transvaginal ultrasound (TVS) in the preoperative detection of rectosigmoid endometriosis in patients with clinical suspicion of deep infiltrating endometriosis (DIE), comparing enhanced (E-TVS) and non-enhanced approaches. Methods 97% (95%CI,[95][96][97][98] 33.0 (95%CI,, respectively. Significant heterogeneity was found for sensitivity (I 2 , 90.8%; Cochran Q, 195.2; P < 0.001) and specificity (I 2 , 76.8%; Cochran Q, 77.7; P < 0.001). We did not find statistical differences between