Capillary malformations (CMs) are the most common vascular anomalies, composed of enlarged capillaries and venules with thickened perivascular cell coverage in skin and mucous membranes. These congenital anomalies represent an error in vascular development during embryogenesis. Most of the CMs occur without any syndromic findings; the association between CMs systemic anomalies in some patients, however, makes the recognition of additional syndrome features critical. Some genetic disorders discussed, which feature CMs, include Sturge-Weber syndrome, diffuse CMs with overgrowth, Klippel-Trenaunay syndrome, CLOVES syndrome, among others. This article can aid clinicians in better identifying CMs and associated syndromes and provide consistent terminology to facilitate interdisciplinary management.
Keywords: Capillary malformations; Dermatology; Pediatric; Port-wine stain; Skin; vascular anomalies.
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