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
True about Thyroglossal tract/cyst. 
Select and explain. 
A. Diverticulum attached to base of tongue, B. Treatment is Sistrunk operation, C. Enucleate cyst along with thyroglossal tract and remove portion of hyoid bone (central portion), D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Thyroglossal cyst/tract
→ Thyroglossal duct cyst.
→ Diverticulum attached to base of tongue.
→ Treatment is Sistrunk operation.
→ Enucleate cyst along with thyroglossal tract and remove portion of hyoid bone (central portion)