title: An unusual case of pyohydronephrosis presenting as iliac abscess.
mesh_terms: D000005:Abdomen; D000038:Abscess / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography