This video contains study material for learning about cystic hygroma, its basic characteristics, cause, association with certain syndromes, the site where it occurs, its clinical features, investigations required and management methods. Timeline: 0:00 – Introduction 0:14 – Basic characteristics of cystic hygroma 0:57 – Cause of occurrence 1:22 – Association 1:38 – Site of occurrence 2:12 – Clinical features 3:20 – Investigation 3:31 – Management