In the management of thyroglossal cyst ?
Answer is 'a' i.e. Central poion of hyoid excised Thyroglossal cyst is managed by Sistrunk operation in which the cyst is completely excised along with the thyroglossal tract. Since the thyroglossal tract is intimately related to the hyoid bone, the central poion of the hyoid bone is also removed.
Central poion of hyoid excised
Sternothyroid muscle dissected
Isthmusectomy with subtotal thyroidectomy
Strap muscle of neck are dissected