Uveal melanoma MRI: Difference between revisions

Jump to navigation Jump to search
 
(14 intermediate revisions by 4 users not shown)
Line 1: Line 1:
__NOTOC__
__NOTOC__
{{Uveal melanoma}}
{{Uveal melanoma}}
{{CMG}}{{AE}}{{Simrat}}
{{CMG}}{{AE}} {{Fs}}
==Overview==
==Overview==
Head and neck MRI scan is diagnostic of uveal melanoma. On [[head]] and [[neck]] [[MRI]], uveal melanoma is characterized by isointense to hypointense mass on T1-weighted MRI and hyperintense mass on T2-weighted MRI.<ref name="radio">  Retinoblastoma. Radiopedia(2015) http://radiopaedia.org/articles/primary-uveal-malignant-melanoma Accessed on October 21, 2015</ref>
[[MRI]] may be helpful in the [[diagnosis]] of uveal melanoma. Findings on [[MRI]] suggestive of uveal melanoma include high intensity [[mass]] [[lesion]] (due to [[melanin]] and [[hemorrhage]]) on [[T1]], and low intensity [[mass]] lesion on T2. The [[lesion]] enhances with [[gadolinium]].


==MRI==
==MRI==
MRI is the modality of choice for assessment of malignant uveal melanomas.<ref name="radio">  Retinoblastoma. Radiopedia(2015) http://radiopaedia.org/articles/primary-uveal-malignant-melanoma Accessed on October 21, 2015</ref>
{| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align=center
|valign=top|
|+
! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|MRI component}}
! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Features}}
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
:T1 or Proton Density
| style="padding: 5px 5px; background: #F5F5F5;" |
*Uveal melanomas are seen as moderately high signal mass lesion
*Associated exudative retinal detachment is moderately high signal
|-
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
:T2
| style="padding: 5px 5px; background: #F5F5F5;" |
*Moderately low signal mass lesion
*Associated exudative retinal detachment is moderately high signal
*Haemorrhagic subretinal fluid has variable signal pattern
|-
| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
:T1 contrast with gadolinium
| style="padding: 5px 5px; background: #F5F5F5;" |
*Tumors enhance
*Fat suppression useful in detecting extraocular extention
|-
|}


[[MRI]] may be helpful in the [[diagnosis]] of uveal melanoma. Findings on [[MRI]] suggestive of uveal melanoma include:
* High intensity [[mass]] [[lesion]] (due to [[melanin]] and [[hemorrhage]]) on T1
* Low intensity [[mass]] [[lesion]] on T2
* The lesion enhances with [[gadolinium]]
=== Iris/ ciliary body melanoma ===
[[File:5af151cc86aa97d54c3897001c7e60 big gallery.jpg|400px|none|thumb|Case courtesy of Dr Dalia Ibrahim, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/31362">rID: 31362</a>]]<br />
=== Chroida; melanoma ===
[[File:50e2182c105bc220b390fefd13fb16 big gallery.jpeg|400px|none|thumb|Case courtesy of Dr Ammar Haouimi, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/60192">rID: 60192</a>]]
<br />


==References==
==References==
{{reflist|2}}
{{reflist|2}}
{{WikiDoc Help Menu}}
{{WikiDoc Help Menu}}
{{WikiDoc Sources}}
{{WikiDoc Sources}}
[[Category:Disease]]
[[Category:Disease]]
[[Category:Ophthalmology]]
[[Category:Up-To-Date]]
[[Category:Oncology]]
[[Category:Medicine]]
[[Category:Ophthalmology]]
[[Category:Ophthalmology]]

Latest revision as of 18:11, 14 August 2019

Uveal melanoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Uveal melanoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X Ray

Echocardiography and Ultrasound

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Uveal melanoma MRI On the Web

Most recent articles

cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Uveal melanoma MRI

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Uveal melanoma MRI

CDC on Uveal melanoma MRI

Uveal melanoma MRI in the news

Blogs on Uveal melanoma MRI

to Hospitals Treating Uveal melanoma

Risk calculators and risk factors for Uveal melanoma MRI

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

Overview

MRI may be helpful in the diagnosis of uveal melanoma. Findings on MRI suggestive of uveal melanoma include high intensity mass lesion (due to melanin and hemorrhage) on T1, and low intensity mass lesion on T2. The lesion enhances with gadolinium.

MRI

MRI may be helpful in the diagnosis of uveal melanoma. Findings on MRI suggestive of uveal melanoma include:

Iris/ ciliary body melanoma

Case courtesy of Dr Dalia Ibrahim, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/31362">rID: 31362</a>


Chroida; melanoma

Case courtesy of Dr Ammar Haouimi, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/60192">rID: 60192</a>


References

Template:WikiDoc Sources