title: Retroperitoneal parasitic leiomyoma causing unilateral ureteral obstruction.
abstract: A case is reported of obstruction of the pelvic ureter by a parasitic leiomyoma located in the retroperitoneal space. This condition is uncommon and has not been described in standard urological or gynecological textbooks.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007889:Leiomyoma / Q000150:complications*; D012186:Retroperitoneal Neoplasms / Q000150:complications*; D014517:Ureteral Obstruction / Q000209:etiology*