title: Case report: unilateral renal papillary necrosis mimicking renal pelvic tumor.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D007681:Kidney Papillary Necrosis / Q000000981:diagnostic imaging*; D007682:Kidney Pelvis / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography