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Thyroid colloid nodule

Case contributed by Ian Bickle
Diagnosis certain

Presentation

Palpable lump left paramidline of the neck.

Patient Data

Age: 40 years
Gender: Female
ultrasound

3 cm thin walled cyst in the left lobe of the thyroid.

Mulitiple small echogenic foci within the nodule, some of which contain comet-tail artifact.

Case Discussion

The typical appearances of a thyroid colloid nodule with comet-tail artifact.

Comet tail artifact has been described in several other pathologies including in adenomyomatosis of the gallbladder and both ureteric and gallstones.

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