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Washington University Experience | NEOPLASMS (MENINGIOMA) | Papillary | 7C Meningioma, papillary (Case 7) Retic 1
The reticulin pattern fails to label individual cells as might be expected in a solitary fibrous tumor. ---- Ancillary data (not shown): Per accompanying report, the tumor cells are positive for epithelial membrane antigen and progesterone receptor; a glial fibrillary acidic protein immunostain is negative in tumor cells. ---- Comment: The overall findings are consistent with an atypical meningioma that has prominent areas of papillary
phenotype (WHO grade 2).
