Hennekam Lymphangiectasia-Lymphedema Syndrome 1, also known as hennekam lymphangiectasia-lymphedema syndrome, is related to lymphatic malformation 6 and menke-hennekam syndrome 1, and has symptoms including seizures An important gene associated with Hennekam Lymphangiectasia-Lymphedema Syndrome 1 is CCBE1 (Collagen And Calcium Binding EGF Domains 1). Affiliated tissues include kidney and thyroid, and related phenotypes are depressed nasal bridge and hypertelorism