dermis tumor skin hemangioma capillary malformation skin vascular disease angioma serpiginosum https://www.malacards.org/card/angioma_serpiginosum UMLS:C0263637 icd11.foundation:1724787481 DOID:4028 Orphanet:95429 SCTID:49465005 MEDGEN:75528 MONDO:0019803 GARD:0015021 Angioma serpiginosum (AS) is a benign congenital skin disease characterized by progressive dilation of the subepidermal skin vessels manifesting as purple punctate lesions usually appearing on the lower limbs and buttocks and following the lines of Blaschko. NCIT:C3926