Inverted Papillary Urothelial Neoplasm of LMP : Microscopic
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Microscopic Features of Inverted Papillary Urothelial Neoplasm of LMP: Note the inverted growth pattern and close resemblance to inverted urothelial papilloma. The neoplastic urothelial cells are organized in large, thickened and irregular cords and trabeculae. There is peripheral palisading and central streaming of urothelial cells. It may be absent in some cases.