Three-fourths of abnormalities within a persistent thyroglossal duct involve the formation of a cyst.
2.
However, in the case of a persistent thyroglossal duct, the tube remains hollow and continues to connect the foramen cecum to the thyroid gland.
3.
The Sistrunk procedure has a reoccurrence rate of less than 5 %, proving it is extremely effective at removing the majority of traces of the persistent thyroglossal duct.