Uveal melanoma CT: Difference between revisions

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==Overview==
==Overview==
On head and neck CT scan, uveal melanoma is characterized by elevated, hyperdense sharply marginated lenticular or mushroom shaped lesions that enhance with administration of contrast.<ref name="radio">  Retinoblastoma. Radiopedia(2015) http://radiopaedia.org/articles/primary-uveal-malignant-melanoma Accessed on October 21, 2015</ref>
[[CT scan]] may be helpful in the [[diagnosis]] of uveal. Findings on [[CT scan]] suggestive of uveal melanoma include elevated mushroom shaped [[lesions]], hyper-dense, and [[contrast]] enhancement.  
==CT==
==CT==
CT is able to identify most uveal melanomas which appear as elevated, hyperdense sharply marginated lenticular or mushroom shaped lesions, which enhance with administration of contrast.<ref name="radio"> Retinoblastoma. Radiopedia(2015) http://radiopaedia.org/articles/primary-uveal-malignant-melanoma Accessed on October 21, 2015</ref>
[[Head and neck anatomy|Head and neck]] [[Computed tomography|CT scan]] may be helpful in the [[diagnosis]] of uveal melanoma. Findings on [[CT scan]] diagnostic of uveal melanoma include:<ref name="Reddy2005">{{cite journal|last1=Reddy|first1=S|title=PET/CT imaging: detection of choroidal melanoma|journal=British Journal of Ophthalmology|volume=89|issue=10|year=2005|pages=1265–1269|issn=0007-1161|doi=10.1136/bjo.2005.066399}}</ref>
<gallery>
 
Axial_C_delayed_choroidal_malignant_melanoma.png<ref name="radio1">Image courtesy of Dr. Frank Gaillard[http://radiopaedia.org/cases/orbital-malignant-melanoma] (original file [http://radiopaedia.org/cases/choroidal-melanoma-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>]]
* Elevated mushroom shaped [[lesions]]
Coronal_C_delayed_orbital_malignant_melanoma.png<ref name="radio1">Image courtesy of Dr. Frank Gaillard[http://radiopaedia.org/cases/orbital-malignant-melanoma] (original file [http://radiopaedia.org/cases/choroidal-melanoma-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>]]
*Hyperdense
</gallery>
*[[Contrast]] enhancement
 
 
[[File:B71d3b12c0136b6ce147d0ab83ca86 big gallery.jpg|500px|none|thumb|Case courtesy of A.Prof Frank Gaillard, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/4297">rID: 4297</a>]]


== References ==  
== References ==  
{{Reflist|2}}
{{reflist|2}}
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Latest revision as of 15:48, 13 August 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]

Overview

CT scan may be helpful in the diagnosis of uveal. Findings on CT scan suggestive of uveal melanoma include elevated mushroom shaped lesions, hyper-dense, and contrast enhancement.

CT

Head and neck CT scan may be helpful in the diagnosis of uveal melanoma. Findings on CT scan diagnostic of uveal melanoma include:[1]


Case courtesy of A.Prof Frank Gaillard, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/4297">rID: 4297</a>

References

  1. Reddy, S (2005). "PET/CT imaging: detection of choroidal melanoma". British Journal of Ophthalmology. 89 (10): 1265–1269. doi:10.1136/bjo.2005.066399. ISSN 0007-1161.

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