Differential diagnosis: invading urothelial tumor cells versus tissue macrophage or histiocyte.
D003937:Diagnosis, Differential; D006644:Histiocytes / Q000648:ultrastructure; D006801:Humans; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis* / Q000648:ultrastructure / Q000652:urine; D014556:Urine / Q000166:cytology