has material basis in germline mutation in SOX18 hypotrichosis-lymphedema-telangiectasia syndrome (grouping) hypotrichosis-lymphedema-telangiectasia syndrome https://www.malacards.org/card/hypotrichosis_lymphedema_telangiectasia_syndrome DOID:0111361 hypotrichosis-lymphedema-telangiectasia syndrome UMLS:C1843004 OMIM:607823 GARD:0015420 HLTS MESH:C564327 MEDGEN:375070 MONDO:0011914 lymphatic malformation