This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neck), Subject name: Surgery
Sistrunk operation is done for - 
Select and explain. 
A. Throglossal fistula, B. Branchial cyst, C. Parotid tumor, D. Lateralabarrent thyroid
A: Throglossal fistula
Answer: A: Throglossal fistula 
Explanation: Ans. is 'a' i.e., Thyroglossal fistula