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. 2008 Dec 17;20(1):133–139. doi: 10.1111/j.1750-3639.2008.00253.x

Table 3.

Tumors with structures that mimic ependymoblastic rosettes. Abbreviations: EMA = epithelial membrane antigen; GFAP = glial fibrillary acidic protein; ND = not done; NeuN = neuronal nuclei antigen; PNET = primitive neuroectodermal tumor.

Case Age (months) Sex Location Synaptophysin Neurofilament NeuN GFAP EMA Ki‐67 Diagnosis
12 32 Male Posterior fossa ND ND + Scattered + dot‐like cytoplasmic Up to 12% PNET
13 45 Female Temporal lobe Weakly + ND Scattered cells ND PNET
14 46 Female Parieto‐occipital + ND ND Scattered cells ND Variable, up to 80% PNET