Immunostain for type IV collagen nicely highlights the fibrillary processes in Verocay bodies of Antoni A areas of schwannoma. They also stain the basal lamina material around schwann cells. 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.