Abstract
Lingual thyroid as the name suggests it is an ectopic positioning of thyroid gland which is a rare developmentalanomaly. Thyroid gland is usually located in the same level as that of cricoids cartilage in human body.Ectopic occurrence of thyroid gland can be seen anywhere from tongue to diaphragm though in ninetypercent of reported cases it is generally seen in base of tongue. Lingual thyroid mainly seen as a result ofthe inability of thyroid gland to descend to its normal anatomical position during embryogenesis. Generallyit takes its origin from the epithelial tissues of non-obliterated thyroglossal duct. From infancy to adulthoodmostly faced problems by the patients are dysphagia, dysphonia, upper respiratory tract obstruction. Sothis review is entirely about the pathophysiology, clinical manifestation and diagnostic criteria along withtreatment modalities for a better understanding of the dental professionals.
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