Hypertrophied column of Bertin

Discussion:

This is a common cause of renal "pseudomass". On ultrasound the column splits the sinus echoes.

CECT is often done to resolve the issue. A hypertrophied column shows enhancement that is the same as normal cortex. It merges with the cortex and causes no contour deformity. These findings help to differentiate it from other pseudomasses such as fetal lobulation and a dromedary hump.

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