Diagnosis and treatment of ureteral endometriosis of 16 cases

Objective To investigate the clinical characteristics and treatmentof ureteral endometriosis.Methods A retrospective analysis was made on the clinical data of 16 cases of ureteral endometriosis of the Department of Vrology,Beijing Friendship Hapital,Affiliated to Copital Medical Universty from January.1991 to Augest.2011.Results Sixteen cases were pathologically confirmed endometriosis,including 11 cases of outer lumen type,5 cases of lumen type ; endomctriosis lesions were all located in the lower ureter.Ureteral stricture length was 1.0-4.0 cm.During 12 months to 20 years follow-up,hydronephrosis detected by ultrasonography in 15 patients was released significantly,and no recurrence occurred except one case who was found hydronephrosis 3 years later.Ureter anastomosis was undergone later.Conclusions Ureteral endometriosis onset is undetectable which could impact renal function.Renal ultrasonography can reduce misdiagnosis.The principle of treatment is to remove the obstruction and protect renal function,and well follow-up to prevent recurrence. Key words: Endometriosis ;  Ureteral obstruction;  Hydronephrosis