Symptoms
Thyroglossal duct cysts most often present with a palpable (able to be felt) asymptomatic midline neck mass below the level of the hyoid bone. The mass on the neck moves during swallowing or on protrusion of the tongue because of its attachment to the tongue via the tract of thyroid descent. Some patients will have neck or throat pain, or dysphagia.
The persistent duct or sinus can promote oral secretions, which may cause cysts to become infected. Up to half of thyroglossal cysts are not diagnosed until adult life. The tract can lie dormant for years or even decades until some kind of stimulus leads to cystic dilation. Infection can sometimes cause the transient appearance of a mass or enlargement of the cyst, at times with periodic recurrences. Spontaneous drainage may also occur. Differntial diagnosis are ectopic thyroid, enlarged lymph nodes, dermoid cysts and goitre.
Read more about this topic: Thyroglossal Cyst
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