The criteria used to consider a primary papillary carcinoma of the thyroglossal duct were [12]: (1) the cyst must be in the midline region of the neck, (2) the wall of the cyst must be constituted ...

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 ...