<prompt> Which of the following is associated with cystic hygromaDowns syndromeMarfans syndromeTurners syndromeCushings syndrome  <response>: Cystic Hygroma Cystic Hygroma are multiloculated cystic spaces lined by endothelial cells It results due to sequestration of a poion of jugular lymph sac from the lymphatic system Cysts are filled with clear lymph and are lined by endothelium Turners syndrome is associated with cystic Hygroma Most cystic Hygroma involve the lymphatic jugular sacs MC site: Posterior neck region Other common sites : Axilla, mediastinum, inguinal retroperitoneal regions Approximately 50 of them present at bih It may show spontaneous regression Ref: Sabiston 20th edition Pgno :1819 