title: Unsuspected renal tumors associated with renal cysts.
abstract: A series of renal tumors associated with renal cysts is presented. Prior to surgical exploration appropriate diagnostic studies failed to indicate evidence of the presence of neoplastic lesions. The importance of surgical exploration of avascular "benign" renal masses is emphasized.
mesh_terms: D000230:Adenocarcinoma / Q000150:complications* / Q000175:diagnosis; D000368:Aged; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000150:complications* / Q000175:diagnosis; D007680:Kidney Neoplasms / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged