Thyroid Case 2

Details on the Request Card

34 year old woman with thyrotoxicosis ?cause

Procedure

Thyroid uptake scintigram (Tc99m-pertechnetate). Anterior (with and without arrowed Co58 sternal notch marker), right anterior oblique, left anterior oblique and unzoomed anterior views.

thyroid image 2a thyroid image 2b thyroid image 2c
thyroid image 2e

Questions

1) How can one determine if thyroid uptake is increased, normal or decreased?
2) Is uptake normal in this case?
3) What is A and what is its significance?
4) What is the likely diagnosis in this case?
5) Would it matter if the patient had commenced medical treatment for hyperthyroidism prior to the scan?

Click here to see the answer

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The text is entirely the opinion of the author and does not necessarily reflect that of RUH NHS Trust or the Bristol Radiology Training Scheme. Website content devised by Paul McCoubrie.