This case was confirmed to be a transitional cell carcinoma. Urine cytology:
MACROSCOPIC DESCRIPTION: 50ml clear straw colored fluid.
MICROSCOPIC DESCRIPTION: The smears contain malignant urothelial cells, with benign transitional cells, renal tubular epithelial cells, squamous cells, necrotic cellular debris, crystal and red blood cells.
DIAGNOSIS: Urothelial cell carcinoma.