Cutis Marmorata Telangiectatica Congenita, also known as cmtc, is related to mongolian spot and megalencephaly-capillary malformation-polymicrogyria syndrome. An important gene associated with Cutis Marmorata Telangiectatica Congenita is GNA11 (G Protein Subunit Alpha 11). Affiliated tissues include skin and kidney, and related phenotypes are seizure and arteriovenous malformation