Which of the following is true about thyroglossal cyst?
Ans. (c) Resolve spontaneously in 20-30% cases.Ref: Sabistoris Text book of Surgery 20th Ed; Page No-1861* Thyroglossal duct cyst is a midline neck lesion that originates at the base of the tongue at the foramen cecum and descends through the central portion of the hyoid bone.* Present in any part from the thyroglossal tract foramen caecum to isthmus but most are found at or just below the hyoid bone.* Most commonly seen in 15-30 years of age.* Thyroglossal duct normally regresses by the time the thyroid gland reaches its final position.* Lined by pseudostratified columnar epithelium.* Complication of thyroglossal cyst:# Fistula# Papillary carcinoma# Infection* Sistrunk operation is the treatment of choice.
Secondary infection leads to sinus.
40% contains heterotopic thyroid tissue
Resolve spontaneously in 20-30% cases.
Thyroglossal duct obliterates by 18th week of IUL
Neck