Skip to main content
Fig. 5 | Diagnostic Pathology

Fig. 5

From: Immunohistochemical features of giant cell ependymoma of the filum terminale with unusual clinical and radiological presentation

Fig. 5

Immunohistochemical findings of the GCE from filum terminale. a All neoplastic cells show positivity for CD56, including giant cells; b Both giant and medium-sized neoplastic cells show heterogeneous positivity for GFAP; c Neoplastic cells show intense positivity for S-100 protein; d Neoplastic cells also shows cytoplasmic positivity for CD99; e Both giant and medium-sized neoplastic cells shows positivity for bcl-2; f Further medium-sized neoplastic cells shows nuclear positivivity for cyclin D1; g Neoplastic cells shows a cell proliferation index of 15%

Back to article page