<prompt> The following statements about thyroglossal cyst are true, exceptFrequent cause of anterior midline neck masses in the first decade of lifeThe cyst is located within 2 cm of the midlineIncision and drainage is the treatment of choiceThe swelling moves upwards on protrusion of tongue  <response>: Thyroglossal cysts are the most common cause of midline neck masses. Can occur anywhere along the path of the thyroglossal duct, from the base of the tongue to the suprasternal notch in the midline Treatment must include excision of the whole thyroglossal tract, which involves removal of the body of the hyoid bone and the suprahyoid tract through the tongue base to the vallecula at the site of the primitive foramen caecum, not incision and drainage This operation is known as Sistrunks operation and prevents recurrence Source : Bailet and Love Pg: 702 