{"paper_id":"c6e20b48-e515-4d06-9144-9309a005dcf7","body_text":"ECR 2016 / C-1926\n“Urinary tract endometriosis: Detection and evaluation of deep infiltration with MRI”\nThis poster is published under an open license. Please read the disclaimer for further details.\nCongress:\nECR 2016\nPoster Number:\nC-1926\nType:\nEducational Exhibit\nKeywords:\nUrinary Tract / Bladder, MR, Education, Image verification\nAuthors:\nM. C. Estay, P. Sepulveda, A. Rojas Astorga, A. M. Wilkens, I. A. Maldonado Schoijet, P. Bozzo, J. Gutierrez Chacoff, C. Varela; Santiago/CL\nDOI:\n10.1594/ecr2016/C-1926\nLearning objectives\nIn this educational exhibitwe aimed to illustrate MR imaging features of urinary tract endometriosis.\nBackground\nEndometriosis is defined as the presence of ectopic functional endometrial tissue outside the uterine cavity with or without secondary desmoplastic reaction.\nIs a common cause of pelvic pain and infertility,\naffecting as many as 10% of premenopausal women.\nThis condition is most prevalent in women 25 to 45 years old (1-5).\nThe definition of deep endometriosis includes rectovaginal lesions as well as infiltrative forms that involve vital structures such as the bowel,\nureters,\nand bladder (1,6).\nAccording to the definition of this entity deeply infiltrating...\nFindings and procedure details\nWe reviewed MRs of patients with endometriosis diagnosed through MR and/or laparoscopy dated 2010-2015.\n187 patients were found.\nA 17% of the patients (n=32) had urinary tract endometriosis.\nWe classified these cases according to the lesion location and associated complications.\nThe bladder and ureters were mostly affected with 75% (n=27) and 22% (n=7) respectively.\nOnly 3% (n=1) had urethral implant.\nNo renal endometriosis was found.\nConclusion\nMR imaging demonstrates high sensitivity,\nspecificity,\npositive and negative predictive values,\nand accuracy in prediction of the locations and in evaluation of the extension of lesions in patients with this disease.\nIt has been a useful tool to accurately identify and assess the degree of infiltration in urinary tract endometriosis that also complements the evaluation of some secondary complications such as: parietal retraction,\nlumen bladder deformation,\nureteral displacement,\nhydronephrosis and kidney failure.\nPersonal information\nMaría Catalina Estay MD,\nDepartment of Radiology,\nClínica Dávila,\nSantiago,\nChile.\n[email protected]\nPaulina Sepúlveda Pinto MD,\nResearch Fellow in Radiology,\nDepartment of Radiology,\nClínica Dávila,\nSantiago,\nChile.\n[email protected]\nAlberto Rojas Astorga MD,\nResearch Fellow in Radiology,\nDepartment of Radiology,\nClínica Dávila,\nSantiago,\nChile.\n[email protected]\nAna María Wilkens Romo MD,\nRadiology Resident,\nUniversidad de los Andes,\nDepartment of Radiology,\nClínica Dávila,\nSantiago,\nChile\n[email protected]\nIgnacio Maldonado Schoijet MD,\nDepartment of Radiology,\nClínica Dávila,\nSantiago,\nChile.\n[email protected]\nPamela Bozzo MD,\nRadiology Resident,\nUniversidad de los Andes,\nDepartment...\nReferences\n1.\nKondo W,\nBranco AW,\nTrippia CH,\nRibeiro R,\nZomer MT.\nRetrocervical deep infiltrating endometriotic lesions larger than thirty millimeters are associated with an increased rate of ureteral involvement.\nJ Minim Invasive Gynecol.\n2013 Feb;20(1):100–3.\n2.\nMcDermott S,\nOei TN,\nIyer VR,\nLee SI.\nMR Imaging of Malignancies Arising in Endometriomas and Extraovarian Endometriosis.\nRadioGraphics.\n2012 May 1;32(3):845–63.\n3.\nDel Frate C,\nGirometti R,\nPittino M,\nDel Frate G,\nBazzocchi M,\nZuiani C.\nDeep Retroperitoneal Pelvic Endometriosis: MR Imaging Appearance with Laparoscopic Correlation.\nRadioGraphics.\n2006...","source_license":"CC0","license_restricted":false}