"COLUMN OF BERTIN": DIAGNOSIS BY NEPHROTOMOGRAPHY

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Abstract
The column of Bertin originally described in 1744 is now a common uroradiologic finding which becomes radiographically and thus clinically significant when it simulates an intrarenal mass on the excretory urogram. Nephrotomography is a definitive diagnostic study when the following features are seen: 1. Partial or complete renal duplication 2. A mass of homogeneous density contiguous with the renal cortex between the upper and middle pole infundibula 3. The mass density is equal to or greater than the surrounding parenchyma. Supporting signs are: 1. A dimple on the renal margin opposite the column 2. A short or truncated calyx coming directly off the upper or middle pole infundibulum, ending at the mass.

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