title: Graves Disease Induced by Radioiodine Therapy for Toxic Nodular Goiter: A Case Report.
abstract: Graves' disease (GD) may be observed as an infrequent adverse effect after radioiodine therapy (RAIT) for toxic thyroid adenoma (TA) and toxic multi nodular goiter (MNG). We present a case of a 55-year-old male with a toxic nodule who was treated with RAI. After therapy, the patient's serum free triiodothyronine (fT3) and free thyroxine (fT4) levels gradually increased. Antithyroid peroxidase (TPOAb), antithyroglobulin (TgAb) and TSH-receptor antibodies (TRAb) were also positive. Thyroid scintigraphy revealed diffuse intense uptake after four months of RAIT. Radiation-induced GD should be considered in patients with aggravated hyperthyroidism 3-4 months after therapy.
authors.forename: Yakup
authors.initials: Y
authors.lastname: Yürekli
authors.affiliation: Adnan Menderes University Faculty of Medicine, Department of Nuclear Medicine, Aydın, Turkey Phone: +90 256 444 12 56 E-mail: arzukincengiz@gmail.com.
authors.forename: Arzu
authors.initials: A
authors.lastname: Cengiz
authors.forename: Engin
authors.initials: E
authors.lastname: Güney