Urothelial cell carcinoma (bladder)
Haematuria for work-up.
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Irregular filling defects along the posterior wall of the bladder.
No abnormailty on the non contrast images.
The bladder biopsies show features of low grade papillary urothelial carcinoma. The tumour comprises crowded papillae, which are lined by multiple layers of atypical urothelial cells. The tumour cells have enlarged hyperchromatic nuclei and small nucleoli. Mitoses are inconspicuous. There is no evidence of lamina propria invasion. Lymphovascular invasion is not seen. Detrusor muscle is identified and there is no evidence of muscle invasion.
This demonstrates the usefulness in the delayed phase examination of the urinary tract during triple phase excretory urography.