Computed tomographic findings of Bellini duct carcinoma of the kidney.

Objective: To analyze CT findings of Bellini duct carcinoma, a rare variant of renal cell carcinoma.

Materials And Methods: The CT findings of five cases of Bellini duct carcinoma were reviewed and the findings were recorded.

Results: In all cases the affected kidneys maintained the normal outer contours. In four cases the renal masses protruded into the central sinuses. Contrast enhancement was minimal in four cases.

Conclusion: Bellini duct carcinoma should be suspected in cases with these CT findings.