Hemangioblastoma : CD31
Endothelial cells (but not stromal cells) in hemangioblastoma show immunoreactivity for markers such as CD31 and CD34 (previous image). Courtesy of: Dr. Luciano de Souza Queiroz, Dept. of Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, São Paulo State, BRAZIL. Additional images are here.