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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Rosai-Dorfman Disease | 7A4 Rosai-Dorfman Dz & Meningeal Hyperplasia (Case 7) H&E 2A copy
7A4-7 Microscopic sections reveal a dural based lesion with focal meningothelial aggregates (arrow, 7A4) similar to the first biopsy.