Graves disease

Case contributed by Sally Ayesa ◉

Diagnosis certain

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Citation, DOI, disclosures and case data

Citation:

Ayesa S, Graves disease. Case study, Radiopaedia.org (Accessed on 29 Mar 2023) https://doi.org/10.53347/rID-80276

DOI:

https://doi.org/10.53347/rID-80276

Permalink:

https://radiopaedia.org/cases/80276

rID:

80276

Disclosures:

At the time the case was submitted for publication Sally Ayesa had no recorded disclosures.

View Sally Ayesa's current disclosures

Case published:

19 Jul 2020

Revisions:

2 times, by 1 contributor - see full revision history and disclosures

Systems:

Head & Neck

Institution:

Prince of Wales hospital

Quiz mode:

Included

Presentation

Hyperthyroidism for investigation.

Patient Data

Age: 40 years

Gender: Female

Pertechnetate thyroid scan

From the case: Graves disease

Nuclear medicine

There is homoegenous intense uptake of tracer by the thyroid gland. The thyroid appears enlarged. Uptake in tissue above the isthmus likely reflects a pyramidal lobe. No dominant hot or cold thyroid nodules are identified.

Uptake in the background soft tissues is suppressed, quantified by the markedly elevated neck to thigh ratio (normal <6).

Case Discussion

The classic appearance of Graves disease on pertechnetate thyroid scintigraphy is markedly increased tracer accumulation in an enlarged gland, with corresponding reduction of physiological activity in the background tissues.