During the removal of a thyroglossal duct cyst, what anatomical structure requires subtotal excision?

Prepare for the Oral and Maxillofacial Surgery (OMFS) Board Exam with flashcards and multiple choice questions. Each question offers hints and explanations. Ace your board exam!

The midportion of the hyoid bone is crucial in the context of a thyroglossal duct cyst removal because the cyst is often located in proximity to this bone, and its complete removal requires addressing any attached or involved tissue. A thyroglossal duct cyst typically arises from remnants of the thyroglossal duct, which can extend from the base of the tongue down to the hyoid bone.

To ensure complete excision and minimize the risk of recurrence, the midportion of the hyoid bone is typically excised along with the cyst. This is due to the anatomical relationship between the cyst and the hyoid bone; if any remnants of the cyst tissue remain during the procedure, there is a significant risk that the cyst will recur.

Thus, subtotal excision of the hyoid bone is an important part of the surgical protocol in managing thyroglossal duct cysts, as it helps ensure that the cyst is completely removed and reduces the likelihood of future complications or recurrences.

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