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Washington University Experience | VASCULAR | Intravascular Papillary Endothelial Hyperplasia (Masson Tumor) | 5D Masson Tumor (Case 5) CD31 2X
5D1 This whole mount of the area shown as 5B1 and 5C1 is stained for the endothelial marker CD31 showing the extent of PEH pattern present in the specimen (CD31 IHC)
