Significance of extrathyroidal uptake of Tc-99m and I-123 in the thyroid scan

Concise communication

U. Y. Ryo, M. E. Stachura, A. B. Schneider, R. Nichols, S. R. Cogan, S. Pinsky

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Areas of extrathyroidal uptake were noted on thyroid scans obtained with Tc-99m and I-123 in five subjects. Four of them had palpable lymph nodes corresponding to the extrathyroidal uptake. All the palpable nodes that showed radionuclide uptake contained metastatic thyroid carcinoma, with predominantly well-differentiated follicular cells. Extrathyroidal areas of uptake on a routine thyroid scan with pertechnetate and/or radioiodine most probably indicate thyroid carcinoma with regional metastases.

Original languageEnglish (US)
Pages (from-to)1039-1042
Number of pages4
JournalJournal of Nuclear Medicine
Volume22
Issue number12
StatePublished - Dec 1 1981

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Thyroid Neoplasms
Thyroid Gland
Sodium Pertechnetate Tc 99m
Radioisotopes
Lymph Nodes
Neoplasm Metastasis

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Ryo, U. Y., Stachura, M. E., Schneider, A. B., Nichols, R., Cogan, S. R., & Pinsky, S. (1981). Significance of extrathyroidal uptake of Tc-99m and I-123 in the thyroid scan: Concise communication. Journal of Nuclear Medicine, 22(12), 1039-1042.

Significance of extrathyroidal uptake of Tc-99m and I-123 in the thyroid scan : Concise communication. / Ryo, U. Y.; Stachura, M. E.; Schneider, A. B.; Nichols, R.; Cogan, S. R.; Pinsky, S.

In: Journal of Nuclear Medicine, Vol. 22, No. 12, 01.12.1981, p. 1039-1042.

Research output: Contribution to journalArticle

Ryo, UY, Stachura, ME, Schneider, AB, Nichols, R, Cogan, SR & Pinsky, S 1981, 'Significance of extrathyroidal uptake of Tc-99m and I-123 in the thyroid scan: Concise communication', Journal of Nuclear Medicine, vol. 22, no. 12, pp. 1039-1042.
Ryo, U. Y. ; Stachura, M. E. ; Schneider, A. B. ; Nichols, R. ; Cogan, S. R. ; Pinsky, S. / Significance of extrathyroidal uptake of Tc-99m and I-123 in the thyroid scan : Concise communication. In: Journal of Nuclear Medicine. 1981 ; Vol. 22, No. 12. pp. 1039-1042.
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