has material basis in germline mutation in GNAQ familial multiple nevi flammei https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/capillary_malformations_congenital port wine stain port-wine stain familial multiple MEDGEN:419699 SCTID:416377005 UMLS:C2931029 Salmon patch Nevus familial multiple port-wine stains nevi flammei, familial multiple A congenital vascular malformation in the skin (birthmark) characterized by the presence of dilated capillaries. The affected area of the skin is flat and reddish-purplish in color. OMIM:163000 port wine Nevus port wine stain of skin capillary malformations MedDRA:10067193 port wine birthmark CMC port wine stain of the skin MONDO:0008094 port wine type hemangioma Nevus flammeus capillary malformations, congenital Orphanet:624 GARD:0003986 port-wine stain of skin port-wine stain NCIT:C3840 capillary malformations, congenital, 1, somatic, mosaic DOID:0111529 capillary malformation skin vascular disease vascular ectasia hereditary skin disorder