This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Sistrunk's operation is excision of 
Select and explain. 
A. Thyroglossal cyst., B. Thyroglossal fistula., C. Thyroglossal fistula along with thyroglossal tract., D. All of the above.
C: Thyroglossal fistula along with thyroglossal tract.
Answer: C: Thyroglossal fistula along with thyroglossal tract. 
Explanation: None