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  • Title: Severe ureteral endometriosis: the intrinsic type is not so rare after complete surgical exeresis of deep endometriotic lesions.
    Author: Chapron C, Chiodo I, Leconte M, Amsellem-Ouazana D, Chopin N, Borghese B, Dousset B.
    Journal: Fertil Steril; 2010 May 01; 93(7):2115-20. PubMed ID: 19296947.
    Abstract:
    OBJECTIVE: To evaluate the rate of intrinsic ureteral endometriosis in patients presenting with severe ureteral endometriosis. DESIGN: Observational study between June 1992 and December 2007. SETTING: University tertiary referral center. PATIENT(S): Twenty-nine patients presenting deeply infiltrating endometriosis (DIE) with severe ureteral endometriosis. Severe ureteral endometriosis was defined as DIE lesions causing significant obstruction to the urinary flow with ureteral stenosis. INTERVENTION(S): Complete surgical exeresis of DIE lesions. MAIN OUTCOME MEASURE(S): Pre- and peroperative evaluation associated with histologic analysis. Intrinsic ureteral endometriosis was defined as presence of DIE lesions infiltrating the ureteral muscularis. RESULT(S): In a series of 627 patients with histologic proved DIE, we observed 29 (4.6%) patients with severe ureteral endometriosis. Ureteral lesions (n = 34) were right sided in 7 (24.1%) patients, left sided in 17 (58.6%) patients, and bilateral in 5 (17.3%) patients. Eleven (37.9%) patients presented intrinsic lesions. Out of the 34 ureteral lesions 13 (38.2%) were intrinsic. In cases of radical ureteral surgery (n = 21 patients; n = 24 ureteral lesions) intrinsic ureteral DIE was observed in 52.4% (11 cases) of the patients and in 54.2% (13 cases) of the ureteral lesions. CONCLUSION(S): The prevalence of intrinsic ureteral endometriosis is underestimated. This result must be taken into account when specifying the surgical modalities for patients presenting with severe ureteral endometriosis.
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