Colloid nodule of the thyroid

Case contributed by Ian Bickle
Diagnosis almost certain

Presentation

Acutely painful right side of anterior neck. Abscess?

Patient Data

Age: 25 years
ultrasound

Large cyst occupying most of the right lobe of thyroid.

Multiple comet tail artifacts in the cyst.

Case Discussion

Typical appearances of the aptly named comet tail artifact indicative of a thyroid colloid cyst.

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