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Washington University Experience | NEOPLASMS (MENINGIOMA) | Anaplastic | 17E2 Meningioma, anaplastic (sarcomatoid) (Case 17) Desmin 3

There is strong tumor positivity for desmin within the spindled rhabdomyosarcomatous component. It is negative in the meningothelial elements. The tumor cells are negative for smooth muscle actin.

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