title: Retroperitoneal cyst and congenital absence of ipsilateral kidney.
abstract: The case report of a patient in whom a cystic retroperitoneal mass and the congenital absence of the ipsilateral kidney, ureter, ureteral orifice, and trigone is presented. The embryology and literature are noted. We can find only 2 similar cases in the literature.
mesh_terms: D000328:Adult; D003560:Cysts / Q000150:complications* / Q000209:etiology; D006801:Humans; D007668:Kidney / Q000002:abnormalities* / Q000196:embryology; D008297:Male; D008650:Mesonephros; D012187:Retroperitoneal Space; D014513:Ureter / Q000002:abnormalities