Thyroglossal duct cyst

Thyroglossal duct cyst is a benign cyst arising from the remnants of the thyroid gland that has descended down to the lower neck. This can appear at any age, common in the age 2 to 20 years.

Main problem with these cysts are that they can get infected and cause abscess formation. There is also a small chance that is can under go malignant transformation in later years. Radiological evaluation with a CT scan or Ultrasound scanning is useful prior to surgery.

Treatment that is curative is known as the Sistrunk's procedure, where the cyst, hyoid bone and tract is completely removed.


Thyroglossal cyst

Thyroglossal cyst


MRI scan showing the cyst arising from the tongue base

MRI scan showing the cyst arising from the tongue base


Murali Mahadevan

Specialist ENT Surgeon

For all enquiries and appointments call (09) 631 1950

Gillies Hospital & Clinic
160 Gillies Avenue
Epsom, Auckland 1005

Facsimile: (09) 631 1951

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Fellow of Royal Australasian College of Surgeons