{"paper_id":"c2843587-a453-41c1-a61f-dad604e5eae3","body_text":"ECR 2013 / C-0462\nThe Correlation of MRI and Laparoscopy in Evaluation of Deep Infiltrating Endometriosis\nCongress:\nECR 2013\nPoster Number:\nC-0462\nType:\nScientific Exhibit\nKeywords:\nMR, Genital / Reproductive system female, Diagnostic procedure, Image verification\nAuthors:\nI. Trofimenko1, D. Pavlov2, T. Bergen3, K. S. Petrov4; 1St. Petersburg/RU, 2St.Peterburg/RU, 3Novosibirsk/RU, 4Saint-Petersburg/RU\nDOI:\n10.1594/ecr2013/C-0462\nPurpose\nThe purpose of the following study was to evaluate the accuracy of MRI with high in-plane resolution images in assessment of deep infiltrating endometriosis (DIE).\nMethods and Materials\nWe performed retrospective review of 187 female patients (aged 23-45 y.o.),\ncomparing MR images (1,5 T system) with laparoscopic findings.\nIn all the cases surgery were performed no longer than 3 weeks after imaging.\nMR protocol included T2-WI in 3 standard planes with in-plane resolution 0,8х0,8 mm,\nslice thickness 3 mm; T1-WI with and without fat suppression and DWI with maximum b-value 800 s\\mm2.\nAll the patients obtained peristalsis inhibitor in standard dose prior the examination.\nContrast enhancement was not used.\nResults\nThe following locations of endometriosis were assessed: ovaries (n=108),\nretrocervical space isolated (n=18),\nretrocervical space with sacro-uterine ligaments (n=32),\nretrocervical space with contact involvement of uterus (n=62),\nretrocervical space with contact involvement of rectum or sigmoid (n=48),\nvesico-uterine space and bladder (n=17),\nvagina (n=9),\npelvic ureters (n=5).\nDIE appeared as fibrotic tissue with negative mass-effect with distortion of pelvic organs and peritoneal folds; it showed predominantly low signal intensity at T2-WI with cystic cavities and haemorhagic foci (high signal intensity at T1-WI with fat suppression)....\nConclusion\nMRI shows good correlation with laparoscopy and can be used as accurate method of detection and pre-surgical evaluation of deep infiltrating endometriosis.\nReferences\nBazot M.\net al.\nDeep pelvic endometriosis: MR imaging for diagnosis and prediction of extension of disease.\nRadiology 2004; 232:379-389\nCornillie F.J.\net al.\nDeeply infiltrating pelvic endometriosis: histology and clinical significance.\nFertil Steril 1990; 53:978–983.\nBis K.G.\net al.\nPelvic endometriosis: MR imaging spectrum with laparoscopic correlation and diagnostic pitfalls.\nRadioGraphics 1997; 17:639–655.\nGougoutas C.A,\net al.\nPelvic endometriosis: various manifestations and MR imaging findings.\nAJR Am J Roentgenol 2000; 175:353–358.\nSiegelman E.S.\net al.\nSolid pelvic masses caused by endometriosis: MR imaging features....","source_license":"CC0","license_restricted":false}