Open Access

RESIDENT’S CORNER

Metanephric adenofibroma

Robert M. Turner II^1,3, Jeffrey J. Tomaszewski^1,3, Janelle A. Fox^1,3, Csaba Galambos^2,3, Glenn M. Cannon Jr^1,3

1 Department of Urology, Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
2 Department of Pathology, Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
3 University of Pittsburgh, Pittsburgh, Pennsylvania, USA
Address correspondence to Dr. Robert M. Turner II, Department of Urology, 3471 Fifth Avenue, Suite 700, Pittsburgh, PA 15213 USA

Canadian Journal of Urology 2013, 20(2), 6737-6738.

Abstract

A 10-year-old boy underwent a computed tomography (CT) scan for left flank pain following a fall. Imaging demonstrated a 5 cm left upper pole renal mass. Partial nephrectomy revealed metanephric adenofibroma, a benign stromal-epithelial tumor thought to represent a hyperdifferentiated, mature form of Wilms’ tumor. We briefly discuss the histopathology and management of this rare tumor.

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