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Washington University Experience | VASCULAR | Intravascular Papillary Endothelial Hyperplasia (Masson Tumor) | 4B4 Meningioma, RadioRx , Intravascular PEH (Case 4) H&E 24
4B4,5 This nodule, which may have a vascular origin, shows hyalinized papillae lined by spindled cells. (H&E)
