title: Positive urinary cytology in patients without evident tumor.
abstract: Of 267 patients with a positive urinary cytology during a 5-year period 9 did not have a tumor identified at the initial diagnostic stidy, which included cytoscopy. However, a tumor was documented in 8 of these 9 patients between 1 and 61 months later.
mesh_terms: D001706:Biopsy; D003581:Cytodiagnosis; D005189:False Positive Reactions; D005500:Follow-Up Studies; D006801:Humans; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000652:urine; D014556:Urine / Q000166:cytology*