title: Malignant hemorrhagic renal cyst with occult neoplasm.
abstract: An asymptomatic hemorrhagic renal cyst was benign at angiography, nephrotomography, cystography, and cytologic examination. Malignancy was found at surgery. Malignancy cannot be excluded in a hemorrhagic cyst which is benign by all other criteria.
mesh_terms: D006470:Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011677:Punctures; D012077:Renal Artery / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray; D014463:Ultrasonography; D014567:Urography