Presentation
Hyperthyroidism for investigation.
Patient Data
Age: 40 years
Gender: Female
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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.
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