Purpose or Case Report: This electronic poster discusses the various clinical and imaging features of pediatric hyperthyroidism, including Graves’ disease and toxic nodule. Imaging modalities reviewed include ultrasound and molecular imaging. We will provide an overview of I-131 hyperthyroid therapy with focus on guideline-based practices of patient preparation, I-131 dosing and post-therapy radiation precautions. A pressing concern for patients and families following I-131 therapy is how long radiation precautions must be followed and when the patient may return to school or work. We have developed and implemented a table listing the appropriate duration of post-therapy radiation precautions based on the administered I-131 dose. We propose the use of such tables for ease of consultation and standardization of discharge procedures.
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