What is a thyroglossal duct cyst removal / sistrunk procedure?

Cyst and part hyoid. The sistrunk procedure to remove a thyroglossal duct cyst means an incision on the neck, remove the cyst and the tract leading from the cyst to the base of tongue where it started in the embryo. This operation always removes the central portion of the hyoid bone in order to get the entire tract.
Thyroglossal . This is a cyst that is a developmental and should not be there. When it occurs, it can be removed after making an incision on the neck.