Metanephric Adenoma : Microscopic Features
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Microscopic Features: About 50% of metanephric adenomas show papillary architecture focally. The papillary areas consist of short papillary fronds with hyalinized cores (shown here) or papillary infoldings within cystic spaces resembling glomeruloid structures.