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Fig. 2 | Chinese Neurosurgical Journal

Fig. 2

From: Low grade astrocytoma transformating primitive neuroectodermal tumour in an adult? A case report and review of literature

Fig. 2

Histopathologic and immunohistochemical features in this case of adult PNETs.: a a diffuse astrocytoma: a prominent microcystic background from the H&E stain. b Homer-Wright rosettes. c Tumors were mainly composed of undifferentiated tumor cells, with hyperchromatic nuclei. d CD99 (+). e GFAP(+). f synaptophysin(+). g NSE(+). h Vimentin(+). i CD56(N-CAM) (+)

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