Paraganglioma of Bladder
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
This paraganglioma has abundant amphophilic cytoplasm. The nests (Zellballen) are indistinct. The biologic behavior of paragangliomas cannot be predicted from histologic features. About 10% of bladder paragangliomas behave in a malignant fashion and are capable of metastases.