Ependymoma : GFAP Immunostain

Comments:
GFAP immunostain highlights the thin fibrillary processes radiating toward the vessel in perivascular pseudorosettes. Courtesy of: Dr. Luciano de Souza Queiroz, Dept. of Pathology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, Sao Paulo State, BRAZIL. Additional images are here.