This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
Treatment of choice for cystic hygroma is 
Select and explain. 
A. Percutaneous aspiration, B. Intralesional sclerosant injection, C. En-bloc resection, D. Surgical excision
D: Surgical excision
Answer: D: Surgical excision 
Explanation: Definitive treatment for Cystic hygroma is complete excision of the cyst at an early stage if possible. Injection of a sclerosing agent is an alternative strategy and may reduce the size of the cyst, however they are usually multicystic and therefore complete resolution is a challenge. Reference : Bailey & Love, 27th Edition, page no = 754.