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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Ectopic thyroid tissue on thallium/technetium parathyroid scan.

The thallium 201/technetium 99m pertechnetate radionuclide study is becoming widely accepted as a means of localizing abnormal or aberrantly located parathyroid tissue. We describe a case in which ectopic retrosternal thyroid tissue appeared as a parathyroid adenoma on thallium-201/technetium-99m pertechnetate scan. Physicians who use this radionuclide study should be aware of the possibility of false-positive images within the mediastinum.[1]


  1. Ectopic thyroid tissue on thallium/technetium parathyroid scan. Asp, A., Hasbargen, J., Blue, P., Kidd, G.S. Arch. Intern. Med. (1987) [Pubmed]
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