Legend Axial CT images at the level the hyoid bone demonstrate a cystic lesion with mild mass effect upon the adjacent airway and submandibular gland.

Legend Images more inferiorly demonstrate the mass to be smaller and directed towards the left anterior strap muscles. Mucosal surfaces at the level the false cords/laryngeal ventricle, bottom right image, are normal. Key words: congenital developmental tumor neoplasia

ENT Diagnosis: Lateral thyroglossal duct cyst