RENAL SCARRING SECONDARY TO PERCUTANEOUS NEEDLE BIOPSY

Abstract
Focal scarring has been observed in two patients in a second biopsy of the same kidney. It has been attributed to the trauma of the initial puncture, especially to the late effects of vascular spasm and disruption in a zone surrounding the needle track. To prevent confusion in histologic interpretation, the contralateral kidney should be used for a second biopsy.

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