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OMFP I
Thyroglossal Duct Cyst
Question | Criteria |
---|---|
Thyroglossal Duct Cyst: Clinical Features | Painless swellings in the neck that are movable. Usually found in the midline of the neck along the epithelial lined tract that is left during development of the thyroid gland. May also be found lingually in some. Can be observed using diagnostic imaging. |
Thyroglossal Duct Cyst: Demographics | About 60-80% of all thyroglossal cysts develop below the hyoid bone. Half of the cysts will develop before age 20. |
Thyroglossal Duct Cyst: Lesion terminology | Fluctuant, movable mass or tumor |
Thyroglossal Duct Cyst: Microscopic features | Histology of a thyroglossal duct cyst would show a cyst cavity surrounded by a wall of squamous epithelium containing thyroid follicles that mimic normal thyroid tissue. |
Thyroglossal Duct Cyst: Differential diagnosis | Lymphoepithelial cyst Dermoid Cyst Ectopic Thyroid or thyroid neoplasm |
Thyroglossal Duct Cyst: Treatment | The sistrunk procedure is a common treatment for thyroglossal cysts. This procedure involves removal the cyst, as well as the midline hyoid and muscular tissue along entire thyroglossal tract. |