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: Anatomy
Hyoid bone is closely associated with 
Select and explain. 
A. Ludwig's angina, B. Thyroglossal cyst, C. Branchial cyst, D. Cystic hygroma
B: Thyroglossal cyst
Answer: B: Thyroglossal cyst 
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 pa of the hyoid bone is excised (otherwise recurrence may occur). Ref : Bailey Love 25/e p730