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Washington University Experience | NEOPLASMS (PINEAL) | Pineoblastoma | 4D2 Pineoblastoma (Case 4) NF 40X
Although tumor perikaryal cytoplasm is not stained for neurofilament protein, there are small subsets of patchy clustered tumor cells with cytoplasmic positivity and prominent immunoreactivity for processes. (NF IHC)