Fig. 4From: Immunohistochemical features of giant cell ependymoma of the filum terminale with unusual clinical and radiological presentationHistological findings of the GCE from filum terminale: a-b Pleomorphic giant cells, with abundant eosinophilic cytoplasm, eccentrically located single hyperchromatic large nuclei with prominent nucleoli, and intranuclear cytoplasmic inclusions (Hematoxylin and eosin, 400X); c-d Perivascular pseudorosette and ependymal channels lined by monomorphic medium-sized cubic cells (Hematoxylin and eosin 200X)Back to article page