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Washington University Experience | NEOPLASMS (PINEAL) | Papillary Tumor Pineal Region (PTPR) | 8N2 Papillary Tumor Pineal Region (Case 8) series Trichrome 6.jpg
Trichrome demonstrates hyalinization of the vasculature in this case, (TRI) ---- Ancillary data (not shown): Immunohistochemical studies show that the neoplastic cells are negative for Neu-N and chromogranin.
