Tongue cancer MRI: Difference between revisions

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Revision as of 22:10, 30 November 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [3]

Overview

Head and neck MRI scan is diagnostic of tongue cancer. On head and neck MRI, tongue cancer is characterized by isointense to hypointense mass on T1-weighted MRI and isotense to hyperintense mass on T2-weighted MRI.^[1]

MRI

MRI is excellent at identifying the extent of tumor infiltration and is especially useful in patients with significant dental amalgam which causes artifact on CT.^[1]


MRI component	Features

T1	Intermediate to low signal
T2	Intermediate to high signal
T1 contrast + gadolinium with fat saturation	Tumors enhance

In larger lesions that abut the mandible, MRI is more sensitive than CT at identifying early marrow change (low T1 signal, high T2 signal, enhancement) but less sensitive at visualising cortical erosion.

MRI of squamous cell carcinoma of tongue with Axial diffusion weighted imaging ^[2]
Axial T1 fat saturated MRI of squamous cell carcinoma of tongue ^[2]
Axial apparent difusion coefficient MRI of squamous cell carcinoma of tongue ^[2]
Coronal T1 MRI of squamous cell carcinoma of tongue ^[2]
Axial T1 fat saturated THINS MRI of squamous cell carcinoma of tongue^[2]

References

↑ ^1.0 ^1.1 Squamous cell carcinoma of the tongue. Radiopedia(2015) http://radiopaedia.org/articles/squamous-cell-carcinoma-of-the-tongue Accessed on November 17, 2015
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 Image courtesy of Dr. Bruno Di Muzio Radiopaedia (original file [1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC

Template:WikiDoc Sources

[radio-1] 1.0 ^1.1 Squamous cell carcinoma of the tongue. Radiopedia(2015) http://radiopaedia.org/articles/squamous-cell-carcinoma-of-the-tongue Accessed on November 17, 2015

[radio1-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 Image courtesy of Dr. Bruno Di Muzio Radiopaedia (original file [1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC

[1]

[2]

@@ Line 31: / Line 31: @@
 In larger lesions that abut the mandible, MRI is more sensitive than CT at identifying early marrow change (low T1 signal, high T2 signal, enhancement) but less sensitive at visualising cortical erosion.
 <gallery>
-Axial T1 choroidal melanoma.jpg|Ultrasound showing primary uveal melanoma<ref name="radio1">Image courtesy of Dr. Preveen Jha [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/choroidal-melanoma-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
+Axial DWI.jpeg|MRI of squamous cell carcinoma of tongue with Axial diffusion weighted imaging <ref name="radio1">Image courtesy of Dr. Bruno Di Muzio [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/squamous-cell-carcinoma-of-the-tongue-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
+Ax T1 fat sat THINS.jpeg|Axial T1 fat saturated MRI of squamous cell carcinoma of tongue <ref name="radio1">Image courtesy of Dr. Bruno Di Muzio [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/squamous-cell-carcinoma-of-the-tongue-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
-Coronal T1 choroidal melanoma.jpg|Ultrasound showing primary uveal melanoma<ref name="radio1">Image courtesy of Dr. Preveen Jha [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/choroidal-melanoma-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
+Axial ADC.jpeg|Axial apparent difusion coefficient MRI of squamous cell carcinoma of tongue <ref name="radio1">Image courtesy of Dr. Bruno Di Muzio [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/squamous-cell-carcinoma-of-the-tongue-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
+Coronal T1.jpeg|Coronal T1 MRI of squamous cell carcinoma of tongue <ref name="radio1">Image courtesy of Dr. Bruno Di Muzio [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/squamous-cell-carcinoma-of-the-tongue-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
+Ax T1 fat sat THINS.jpeg|Axial T1 fat saturated THINS MRI of squamous cell carcinoma of tongue<ref name="radio1">Image courtesy of Dr. Bruno Di Muzio [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/squamous-cell-carcinoma-of-the-tongue-1]).[http://radiopaedia.org/licence Creative Commons BY-SA-NC</ref>
 </gallery>
 ==References==

Tongue cancer MRI: Difference between revisions

Revision as of 22:10, 30 November 2015

Overview

MRI

References

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