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Thyroglossal duct cyst

Case contributed by Roberto Schubert
Diagnosis almost certain

Presentation

Painless swelling in the anterior left neck region.

Patient Data

Age: 45 years
Gender: Male

Neck

mri

A left paramidline cystic lesion is noted over the left lamina of thyroid cartilage of larynx just below the level of hyoid bone. It shows high signal intensity on T1 and mixed signal on T2. It lies deep to left strap muscles with peak towards midline. 

Case Discussion

Typical position within the strap muscles. For some reason, thyroglossal duct cysts are not situated strictly in the midline, but mostly on the left.

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