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Washington University Experience | VASCULAR | Intravascular Papillary Endothelial Hyperplasia (Masson Tumor) | 1A6 Intravascular Papillary Endothelial Hyperplasia (Case 1) H&E 12A
1A6,7 Higher magnification images of the papillary lining showing a central collagenous core lined by spindled cells (H&E)