Thyroid nodule other imaging findings: Difference between revisions
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==Overview== | ==Overview== | ||
==Other Imaging Studies== | ==Other Imaging Studies== | ||
* | |||
=== Radionuclide thyroid scan/scintigraphy === | |||
Thyroid scintigraphy is useful to determine the functional status of a nodule. It is specifically indicated in patients with thyroid nodule and a low serum TSH to determine if the nodule is autonomously functioning. | |||
In scintigraphy, iodine radioisotopes (more commonly used; usually 123I) or technetium pertechnetate (99Tc), are injected to the patient and then the radioisotope uptake time by the thyroid gland is measured.4406304 16910877 | |||
* High radioisotopes uptake=Hot nodule: | |||
** Hyperfunctioning nodules | |||
* Low radioisotopes uptake=Cold nodule: | |||
** Most benign nodules | |||
** Most malignant thyroid nodules | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
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[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Endocrinology]] | [[Category:Endocrinology]] | ||
[[Category:Needs content]] | [[Category:Needs content]] | ||
Revision as of 19:15, 21 July 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Other Imaging Studies
Radionuclide thyroid scan/scintigraphy
Thyroid scintigraphy is useful to determine the functional status of a nodule. It is specifically indicated in patients with thyroid nodule and a low serum TSH to determine if the nodule is autonomously functioning.
In scintigraphy, iodine radioisotopes (more commonly used; usually 123I) or technetium pertechnetate (99Tc), are injected to the patient and then the radioisotope uptake time by the thyroid gland is measured.4406304 16910877
- High radioisotopes uptake=Hot nodule:
- Hyperfunctioning nodules
- Low radioisotopes uptake=Cold nodule:
- Most benign nodules
- Most malignant thyroid nodules