Although the midline dermoid tumor of the neck is supposed to be extremely rare in comparison with thyroglossal duct cyst, 13 patients were treated during a period when 45 thyroglossal duct cysts were seen. It is important to check the thyroid gland and to open the cyst for diagnosis before deciding on the matter of hyoid bone resection.
Katz AD. Midline Dermoid Tumors of the Neck. Arch Surg. 1974;109(6):822-823. doi:10.1001/archsurg.1974.01360060088024