Thyroid adenoma other imaging findings: Difference between revisions
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* Nuclear medicine can be used to image the thyroid with radioactive [[technetium]] (Tc) or [[iodine]] (I) [[scintigraphy|imaging]] of the thyroid.<ref>{{MedlinePlusEncyclopedia|003829|Thyroid scan}}</ref> | * Nuclear medicine can be used to image the thyroid with radioactive [[technetium]] (Tc) or [[iodine]] (I) [[scintigraphy|imaging]] of the thyroid.<ref>{{MedlinePlusEncyclopedia|003829|Thyroid scan}}</ref> | ||
====Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma==== | ====Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma==== | ||
* Cold | |||
* Hot | * Cold – 85% of nodules are cold. 5–8% of cold and warm nodules are malignant.<ref>{{cite journal |last1=Gates |first1=Jeremy D. |last2=Benavides |first2=Linda C. |last3=Shriver |first3=Craig D. |last4=Peoples |first4=George E. |last5=Stojadinovic |first5=Alexander |title=Preoperative Thyroid Ultrasound In All Patients Undergoing Parathyroidectomy? |journal=Journal of Surgical Research |volume=155 |issue=2 |pages=254–60 |year=2009 |pmid=19482296 |doi=10.1016/j.jss.2008.09.012 }}</ref> | ||
* Hot – 5% of nodules are hot. Malignancy is virtually nonexistent in hot nodules.<ref>Robbins pathology 8ed page 767</ref> | |||
* An <sup>123</sup>I scan showing a hot nodule, accompanied by a lower than normal TSH, is strong evidence that the nodule is not cancerous. | * An <sup>123</sup>I scan showing a hot nodule, accompanied by a lower than normal TSH, is strong evidence that the nodule is not cancerous. | ||
====Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma==== | ====Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma==== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ammu Susheela, M.D. [2]
Overview
Other Imaging Findings
Thyroid Scan (radioiodine scintigraphy)
- Nuclear medicine can be used to image the thyroid with radioactive technetium (Tc) or iodine (I) imaging of the thyroid.[1]
Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma
- Cold – 85% of nodules are cold. 5–8% of cold and warm nodules are malignant.[2]
- Hot – 5% of nodules are hot. Malignancy is virtually nonexistent in hot nodules.[3]
- An 123I scan showing a hot nodule, accompanied by a lower than normal TSH, is strong evidence that the nodule is not cancerous.
Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma
References
- ↑ MedlinePlus Encyclopedia Thyroid scan
- ↑ Gates, Jeremy D.; Benavides, Linda C.; Shriver, Craig D.; Peoples, George E.; Stojadinovic, Alexander (2009). "Preoperative Thyroid Ultrasound In All Patients Undergoing Parathyroidectomy?". Journal of Surgical Research. 155 (2): 254–60. doi:10.1016/j.jss.2008.09.012. PMID 19482296.
- ↑ Robbins pathology 8ed page 767
- ↑ "Wikipedia thyroid ultrasound".
