Conclusions: The thyroglossal duct cyst must be studied in the adult population through fine-needle aspiration biopsy (FNAB) and a frozen section in cases in which FNAB is inconclusive or unavailable.

It may involve antibiotics if the lump is infected and surgery to remove the cyst and the thyroglossal duct which is still present. A thryoglossal cyst has a small chance of regrowing if small ...

When a thyroglossal duct cyst FNAB is diagnostic for carcinoma, a thyroid ultrasound must be performed in order to rule out the presence of thyroid disease. Likewise, if a non-diagnostic FNAB is ...