Thyroid adenoma other imaging findings: Difference between revisions
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__NOTOC__ | __NOTOC__ | ||
{{Adenoma of | {{Thyroid adenoma}} | ||
{{CMG}}; {{AE}} {{Ammu}} | |||
==Overview== | |||
Other diagnostic studies for thyroid [[adenoma]] include [[thyroid]] scan, which demonstrates hot, cold, or functioning nodule. | |||
==Other Imaging Findings== | |||
===Thyroid Scan (radioiodine scintigraphy)=== | |||
* Nuclear medicine can be used to image the [[thyroid]] with [[radioactive]] [[technetium]] or [[iodine]] [[scintigraphy|imaging]] of the thyroid.<ref>{{MedlinePlusEncyclopedia|003829|Thyroid scan}}</ref> | |||
====Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma==== | |||
* Cold | |||
** 85% of thyroid [[nodules]] are cold and 8% of cold and warm thyroid [[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> | |||
* Functioning nodules | |||
** The [[cell]]s in the [[nodule]] take up the iodine much like a normal [[cell]] does | |||
** The likelihood of [[cancer]] is very low in these types of [[nodules]] and a [[biopsy]] is usually not necessary. | |||
* Hot | |||
** 5% of thyroid 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 [[thyroid stimulating hormone]], is strong evidence that the [[nodule]] is not cancerous. | |||
====Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma==== | |||
[[File:Thyroid scan.jpg|thumb|center|300 px|Comet tail artifacts from colloid. Thyroid scan image.<SMALL><SMALL>http://www.wikipedia.org''<ref name="Wikipedia">{{Cite web | title = Wikipedia thyroid radioiodine scintigraphy | url = https://en.wikipedia.org/wiki/Thyroid_nodule#/media/File:Thyroid_scan.jpg}}</ref>''</SMALL></SMALL>]] | |||
<br style="clear:left" /> | |||
[[File:Toxic-thyroid-adenoma-thyroid-scintigraphy.jpg|300px|thumb|left|Thyroid scintigraphy of thyroid adenoma) [https://radiopaedia.org/cases/toxic-thyroid-adenoma-thyroid-scintigraphy?lang=us source:Case courtesy of Dr Arshdeep Sidhu, Radiopaedia.org, rID: 21950]]] | |||
<br style="clear:left" /> | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Endocrinology]] | [[Category:Endocrinology]] | ||
[[Category: | [[Category:Up-To-Date]] | ||
[[Category:Oncology]] | |||
[[Category:Medicine]] | |||
[[Category:Endocrinology]] | |||
[[Category:Surgery]] | |||
Latest revision as of 14:13, 1 May 2019
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Thyroid adenoma Microchapters |
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Thyroid adenoma other imaging findings On the Web |
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American Roentgen Ray Society Images of Thyroid adenoma other imaging findings |
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Risk calculators and risk factors for Thyroid adenoma other imaging findings |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ammu Susheela, M.D. [2]
Overview
Other diagnostic studies for thyroid adenoma include thyroid scan, which demonstrates hot, cold, or functioning nodule.
Other Imaging Findings
Thyroid Scan (radioiodine scintigraphy)
- Nuclear medicine can be used to image the thyroid with radioactive technetium or iodine imaging of the thyroid.[1]
Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma
- Cold
- Functioning nodules
- Hot
- 5% of thyroid nodules are hot. Malignancy is virtually nonexistent in hot nodules.[3]
- An 123I scan showing a hot nodule, accompanied by a lower than normal thyroid stimulating hormone, 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 radioiodine scintigraphy".
