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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Malignant Peripheral Nerve Sheath Tumor (MPNST) | 12E5 MPNST, triton tumor (Case 12) Desmin 100X 1.jpg
The muscle marker desmin is extensive in this tumor, supporting rhabdomyosarcomatous differentiation. (Desmin IHC)