Thyroid Scan

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Procedure :

We usually use Tc99m- Pertechnetate for thyroid scan. The image will be obtained 20 minute after IV injection of 20 mci tracer in anterior projection. Usually no premedication is necessary. In case of Iodine containing material orthyroid hormon intake it will be better to discontinued these items.
In as shown below sometimes the thyroid scan will be done by I131. This scan scan will be obtained 24 hour after oral ingestion of appropriate does.

Thyroid Scan Application:


1-Thyroid nodule function evaluation.
2-Thyroid size and shape.............
3-Ectopic thyroid (substernal sublingual,...).
4-Neck mass.
5-Thyroiditis
6-Before Thyrotoxicosis treatment with I-131.


Whole body Radioiodine Scan (I-131):

-Diagnosis of regional and distal thyroid cancer metastasis.