Patient Data
Age: 6 years
Gender: Female
From the case:
Septum of Bertin
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An extension of normal renal cortical tissue is seen between the medullary pyramids, extending to sinus region.
Case Discussion
This is a typical case of 'septum of Bertin', which is basically a normal projection of renal cortical tissue, and may be mistaken as mass lesion (renal pseudotumor).