Thyroglossal duct cyst: an unusual presentation.

Most thyroglossal duct cysts are located at or very close to the midline. They generally manifest as painless neck swellings, and they move on protrusion of the tongue and during deglutition. We describe a case of thyroglossal duct cyst that was unusual in that the cyst was located far from the midline, it did not move on protrusion of the tongue, and it was associated with symptoms of dysphagia and extensive neck swelling that mimicked a colloid goiter