Thymoma MRI: Difference between revisions
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==Overview== | ==Overview== | ||
On thoracic MRI, thymoma is characterized by increased | On [[thoracic]] [[MRI]], thymoma is characterized by increased [[heterogeneous]] signal on T2WI. | ||
==MRI== | ==MRI== | ||
* [[Magnetic resonance imaging|MRI]] is usually performed in [[Patient|patients]] with suspected [[vascular]] [[Invasive (medical)|invasion]] in which [[iodine]] [[contrast]] cannot be tolerated. | |||
*Isotense to skeletal muscle on T1WI | |||
*Increased heterogeneous signal intensity on T2WI | * Key [[Magnetic resonance imaging|MRI]] findings in thymoma are: | ||
*Fluid characteristics of cysts with high water content | |||
**Isotense to [[skeletal muscle]] on T1WI | |||
**Increased [[heterogeneous]] signal intensity on T2WI | |||
**[[Fluid]] characteristics of [[cysts]] with high [[water]] content | |||
{| | {| | ||
| [[File:Th15.png|x200px|thumb|MRI shows the presence of an anterior mediastinal mass projecting to the left, confirmed to be thymoma.<ref name=radio> Image courtesy of Dr Yuranga Weerakkody. [http://www.radiopaedia.org Radiopaedia] [http://radiopaedia.org/articles/thymic-epithelial-tumours].[http://radiopaedia.org/licence Creative Commons BY-SA-NC]</ref>]] | |[[File:Th13.png|x200px|thumb|[[Magnetic resonance imaging|MRI]] shows the presence of an [[Anterior mediastinum|anterior mediastinal]] mass projecting to the left, confirmed to be thymoma.]] | ||
| [[File:Th16.png|x200px|thumb|MRI shows the presence of an anterior mediastinal mass projecting to the left, confirmed to be thymoma.]] | |[[File:Th14.png|x200px|thumb|[[MRI]] shows the presence of an [[Anterior mediastinum|anterior mediastinal]] mass projecting to the left, confirmed to be thymoma.<ref name="radio"> Image courtesy of Dr Yuranga Weerakkody. [http://www.radiopaedia.org Radiopaedia] [http://radiopaedia.org/articles/thymic-epithelial-tumours].[http://radiopaedia.org/licence Creative Commons BY-SA-NC]</ref>]] | ||
|[[File:Th15.png|x200px|thumb|[[MRI]] shows the presence of an [[Anterior mediastinum|anterior mediastinal]] mass projecting to the left, confirmed to be thymoma.<ref name="radio"> Image courtesy of Dr Yuranga Weerakkody. [http://www.radiopaedia.org Radiopaedia] [http://radiopaedia.org/articles/thymic-epithelial-tumours].[http://radiopaedia.org/licence Creative Commons BY-SA-NC]</ref>]] | |||
|[[File:Th16.png|x200px|thumb|[[Magnetic resonance imaging|MRI]] shows the presence of an [[Anterior mediastinum|anterior mediastinal]] mass projecting to the left, confirmed to be thymoma.]] | |||
|} | |} | ||
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Latest revision as of 14:58, 15 August 2019
Thymoma Microchapters |
Diagnosis |
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Case Studies |
Thymoma MRI On the Web |
American Roentgen Ray Society Images of Thymoma MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Associate Editor(s)-in-Chief: Amr Marawan, M.D. [3]
Overview
On thoracic MRI, thymoma is characterized by increased heterogeneous signal on T2WI.
MRI
- MRI is usually performed in patients with suspected vascular invasion in which iodine contrast cannot be tolerated.
- Key MRI findings in thymoma are:
- Isotense to skeletal muscle on T1WI
- Increased heterogeneous signal intensity on T2WI
- Fluid characteristics of cysts with high water content
References
- ↑ 1.0 1.1 Image courtesy of Dr Yuranga Weerakkody. Radiopaedia [1].Creative Commons BY-SA-NC