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Washington University Experience | NEOPLASMS (MENINGIOMA) | Meningioma - Clear cell | 25L1 Same area with NO Diastase (Case 25) 40X
25L1,2 In the same area of tumor in which PAS strongly stains tumor cytoplasm (25L1), stain is lost with diastase cytoplasm. PAS positivity is strong but removed by diastase treatment (25L2) confirming it is glycogen.
