title: Carcinoid tumor of the renal pelvis: report of a case with positive urine cytology.
abstract: A case of histologically and ultrastructurally confirmed carcinoid tumor of the renal pelvis is reported. The patient's urine sediment showed a few groups and sheets of polygonal malignant cells with scant cytoplasm and oval nuclei displaying chromatin clumping and micronucleoli.
authors.affiliation: Department of Laboratory Medicine and Pathology, University of Alberta, Faculty of Medicine, Edmonton, Canada.
authors.forename: B
authors.initials: B
authors.lastname: Rudrick
authors.forename: G K
authors.initials: GK
authors.lastname: Nguyen
authors.forename: W H
authors.initials: WH
authors.lastname: Lakey
mesh_terms: D000328:Adult; D002276:Carcinoid Tumor / Q000473:pathology* / Q000648:ultrastructure / Q000652:urine; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology* / Q000648:ultrastructure / Q000652:urine; D007682:Kidney Pelvis / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D014556:Urine / Q000166:cytology*