Comet tail artefact

Case contributed by Dr Ian Bickle


Right neck lump. Thyroid cyst on ultrasound.

Patient Data

Age: 45 years

Large cyst in the right lobe of the thyroid gland.

Multiple comet tail artefacts within the cyst.

Annotated image

Comet tail artefacts throught out the cyst (red arrows).

Case Discussion

The typical appearances of comet-tail artefact which classically occurs in thyroid colloid cysts.

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Case information

rID: 55510
Published: 11th Sep 2017
Last edited: 14th Aug 2019
System: Head & Neck
Inclusion in quiz mode: Included

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