<prompt> Thyroglossal cyst is associated with which type of thyroid carcinoma?FollicularPapillaryMedullaryAnaplastic  <response>: A remnant of a thyroglossal duct, usually a cyst TGDC, is the most common congenital abnormality of thyroid gland development. Clinically, most thyroglossal duct cysts are benign and present as slow-growing, asymptomatic neck masses . It is a very rare condition but there is a chance of development of papillary carcinoma in the thyroglossal cyst. 