angiomatosis intravascular papillary endothelial hyperplasia https://www.malacards.org/card/intravascular_papillary_endothelial_hyperplasia MONDO:0043349 MEDGEN:91005 Masson's pseudotumor GARD:0027060 NCIT:C4391 Masson's pseudosarcoma Masson lesion Masson pseudotumor Masson's vegetant hemangioma Masson's tumor icd11.foundation:1397961760 A reactive, well-circumscribed vascular lesion. It is characterized by the formation of thin papillae projecting within the lumen of blood vessels. The papillae are lined by plump endothelial cells. Blood clots are also present. Masson's pseudoangiosarcoma SCTID:238770007 papillary endothelial hyperplasia Masson's vegetant intravascular hemangio-endothelioma Orphanet:673525 UMLS:C0343083 Masson's tumour intravascular papillary endothelial hyperplasia