Pyelosinus backflow: a case with an unusual pyelographic appearance.
D005119:Extravasation of Diagnostic and Therapeutic Materials; D006801:Humans; D007682:Kidney Pelvis / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging*; D014548:Urinary Fistula / Q000000981:diagnostic imaging*