Cystic Lymphangioma, also known as cystic hygroma, is related to nuchal bleb, familial and multiple pterygium syndrome, lethal type. An important gene associated with Cystic Lymphangioma is COL11A2 (Collagen Type XI Alpha 2 Chain), and among its related pathways/superpathways are Ras signaling and 22q11.2 copy number variation syndrome. The drugs Picibanil and Coal tar have been mentioned in the context of this disorder. Affiliated tissues include uterus and adrenal gland, and related phenotypes are homeostasis/metabolism and muscle