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
Hyoid bone is closely associated with - 
Select and explain. 
A. Bronchiogenic cyst, B. Cystic hygroma, C. Thyroglossal cyst/fistula, D. Branchial cyst
C: Thyroglossal cyst/fistula
Answer: C: Thyroglossal cyst/fistula 
Explanation: Hyoid bone is closely associated with the thyroglossal tract from which thyroglossal cyst & fistula originate, thus during surgical excision of the thyroglossal cyst or fistula, the central part of the hyoid bone is excised (otherwise recurrence may occur).