lymphangioma cystic hygroma https://www.malacards.org/card/cystic_lymphangioma https://www.malacards.org/card/nuchal_bleb_familial OMIM:257350 hygroma EFO:1000888 DOID:3081 Orphanet:79486 cystic hygroma NCIT:C3724 cystic lymphangioma MEDGEN:60195 macrocystic lymphatic malformation ICDO:9173/0 UMLS:C0206620 A benign lymphatic neoplasm usually arising from the neck and characterized by cystic dilation of the lymphatic vessels. nuchal bleb, familial MONDO:0009761 cystic hygroma, foetal SCTID:399882002 GARD:0006234 MedDRA:10058949 MESH:D018191 cystic hygroma, fetal