Thyroid adenoma other imaging findings: Difference between revisions

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{{CMG}}; {{AE}} {{Ammu}}
{{CMG}}; {{AE}} {{Ammu}}
==Overview==
==Overview==
Other diagnostic studies for thyroid adenoma include [[thyroid]] scan, which demonstrates hot, cold, or functioning nodule.
Other diagnostic studies for thyroid [[adenoma]] include [[thyroid]] scan, which demonstrates hot, cold, or functioning nodule.
==Other Imaging Findings==
==Other Imaging Findings==
===Thyroid Scan (radioiodine scintigraphy)===
===Thyroid Scan (radioiodine scintigraphy)===
* 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]] or [[iodine]] [[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 &ndash; 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>
* Cold
* 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.
** 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>
* Hot &ndash; 5% of thyroid nodules are hot. Malignancy is virtually nonexistent in hot nodules.<ref>Robbins pathology 8ed page 767</ref>
* Functioning nodules  
* 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.
** 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====
====Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma====
[[File:Thyroid scan.jpg|thumb|center|400 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>]]
[[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==
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[[Category:Disease]]
[[Category:Disease]]
[[Category:Endocrinology]]
[[Category:Endocrinology]]
[[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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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)

Key Findings in Radioiodine Scintigraphy in Thyroid Adenoma

Key Examples of Radioiodine Scintigraphy in Thyroid Adenoma

Comet tail artifacts from colloid. Thyroid scan image.http://www.wikipedia.org[4]


Thyroid scintigraphy of thyroid adenoma) source:Case courtesy of Dr Arshdeep Sidhu, Radiopaedia.org, rID: 21950


References

  1. MedlinePlus Encyclopedia Thyroid scan
  2. 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.
  3. Robbins pathology 8ed page 767
  4. "Wikipedia thyroid radioiodine scintigraphy".

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