Ectopic thyroid gland resembling a thyroglossal duct cyst

Abstract

Key Clinical Message This rare diagnosis highlights the importance of anatomical and embryological knowledge in the differential diagnosis of neck masses. Abstract A 41‐year‐old woman was referred to the head and neck surgery department because of a large midline neck mass at the level of the hyoid bone that was diagnostic for functioning thyroid tissue in a totally ectopic location.

Keywords

• ectopic thyroid gland
• neck mass
• thyroid cancer
• thyroid gland