Ectopic functioning thyroid tissue in the thyroglossal duct detected by radionuclide imaging

P. Nageswara Rao, Nandini Pandit, Rajesh Kumar, Indira V. Upadhya, M. S.Vidya Sagar

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A 49-year-old man with a clinical diagnosis of Graves' disease was referred for a thyroid scan and radioactive ablation of the gland. Tc-99m pertechnetate scan revealed a diffuse toxic goiter and radiotracer concentration in the thyroglossal duct. He was given 10 mCi of 1-131 orally as treatment of thyrotoxicosis. Repeat scanning of the anterior neck 2 days later revealed concentration of radioiodine in the diffusely enlarged gland and the thyroglossal duct as found on the Tc-99m pertechnetate scan, thus confirming the presence of functioning thyroid tissue in the thyroglossal duct.

Original languageEnglish
Number of pages1
JournalClinical Nuclear Medicine
Issue number9
Publication statusPublished - 01-09-2005
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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