Fig. 4From: Small vessel childhood primary angiitis of the central nervous system with positive anti-glial fibrillary acidic protein antibodies: a case report and review of literatureA and B: The inflammatory infiltrate is composed mainly of lymphocytes which is highlighted by immunohistochemical stains of CD3 (A, anti-CD3, × 400) and CD20 (B, anti-CD20, × 400) as markers of T and B lymphocytesBack to article page