Optimization With a Gamma Camera of the Individualized Patient Dosimetry in Radioiodine Therapy of Thyroid Diseases

This is a pilot, single-center, prospective, open-label clinical investigation of a medical device (ambulatory gamma camera " MoTI " (Mobile Therapy Imager)) for patients with hyperthyroidism (Graves' disease, toxic nodule and toxic multiheteronodular goiter) for whom 131I treatment is indicated. Its aim is to assess the feasibility of using this ambulatory gamma camera (MoTI) in the clinic in this patient population. 20 patients will be included in the study.