Toxic thyroid adenoma on thyroid scintigraphy

Case contributed by Dr Arshdeep Sidhu

Presentation

Fatigue and weight loss

Patient Data

Age: 60
Gender: Female

Thyroid Scintigraphy

Modality: Nuclear medicine

RAIU is elevated in a specific focal area of the left thyroid lobe relative to the extrafocal tissue.  Characteristic finding in Plummer syndrome (i.e. a toxic adenoma). 

Case Discussion

Results: RAIU is mild to moderately elevated, unlike Graves disease. Not all nodules are toxic, and come cases may present as euthyroid. 

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Case Information

rID: 21950
Case created: 1st Mar 2013
Last edited: 14th Sep 2015
System: Head & Neck
Inclusion in quiz mode: Included

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