TY - CHAP M1 - Book, Section TI - Thyroglossal Cyst A1 - Doherty, Gerard M. Y1 - 2010 N1 - T2 - Quick Answers Surgery AB - • Thyroid develops from an evagination of the floor of the primitive pharynx (during fourth week of gestation)• Abnormal movement of the thyroid anlage can lead to a lingual thyroid or appear as a mass anywhere in the neck midline• Persistence of the thyroglossal duct leaves an epithelial lined tract that forms a cyst that communicates with the foramen cecum at the base of the tongue• Tract of a persistent thyroglossal duct extends through the hyoid bone SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accesssurgery.mhmedical.com/content.aspx?aid=58102933 ER -