Thyroglossal duct cyst
Anterior neck swelling.
CT Neck with contrast
Loading Stack -
0 images remaining
A hypodense cystic lesion in noted resting on the superficial surface of the left lamina of thyroid cartilage insinuating itself within the strap muscles and deep to platysma.
It is passing through thyrohyoid interval at the midline, wraps around the inferior surface of the hyoid bone and mildly indenting the pre-epiglottic fat.
The anterior jugular vein is prominent and draps along the superficial aspect of the lesion. The lesion showed mild marginal enhancement.
Thyroglossal duct cyst is the most common congenital neck anomaly. It is an anterior midline cystic swelling along the course of thyroglossal duct, more common to be infrahyoid (as in this case) and can be a little off midline. It usually presents as painless neck swelling unless infected.