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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Malignant Peripheral Nerve Sheath Tumor (MPNST) | 12D1 MPNST, triton tumor (Case 12) A3 S100.jpg
12D1,2 By immunohistochemistry, a subset of tumor retains S100 (12D1) and collagen IV (12D2) expression consistent with a Schwannian contribution.