<prompt> Cystic hygroma isA form of hydroceleA branchial cleft cystSalivary gland enlargementLymphangioma  <response>: CYSTIC HYGROMA Cavernous LymphangiomaIt is a cystic swelling due to sequestration of a portion of jugular lymph sac from the lymphatic system, during the developmental period in utero.Present at birth and so may cause obstructed labour. Occasionally present in early infancy.Lymphatics fail to communicate to venous system; abnormal budding of lymphatics is seen. Often it is associated with Turners, Downs, Klinefelter syndromes and trisomy 18 and 13.It is also called as hydrocoele of the neck.Lymphatic malformation LM type can be microcystic lymphangioma or macrocystic cystic hygroma. It can cause lymphoedema, soft tissue and bony hypertrophy, asymmetry face, macrochelia, macroglossia, macrotia, cellulitis.Key Concept: It is a type of congenital lymphangioma and the common victims are infants and children. Reference: SRBs Manual of Surgery, 5th ed, page no 86, 216, 435 