Metanephric Adenoma : Microscopic Features
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Microscopic Features: About 50% of metanephric adenomas contain papillary structures, consisting of small blunt papillary tufts within cystic spaces. Many such structures resemble immature glomeruli. Usually there are no blood vessels in these papillary structures.