Cardiac tumors MRI
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American Roentgen Ray Society Images of Cardiac tumors MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2], Dheeraj Makkar, M.D.[3]
Overview
Cardiac MRI is regarded as the gold standard after echocardiograph for evaluating a suspected cardiac tumor due to its unique ability to provide non-invasive tissue characterization in conjunction with excellent temporal resolution and absence of exposure to ionizing radiation.
MRI
- Cardiac MRI scan may be further used to investigate the cardiac tumors after initial diagnostic testing with an echocardiograph.
- Findings on MRI suggestive of/diagnostic of different cardiac cancers include:
| Tumor | MRI Finding |
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| Myxoma | * Oval mobile left atrial lesion
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| Rhabdomyoma | * Multiple masses isointense to muscle tissue on T1 images
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| Cardiac Fibroma | * Solitary mass
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| Fibroelastoma | * T1 and T2 weighted images show uniform intermediate signal intensity similar to myocardium
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| Hemangioma | * Intermediate density on T1 images
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| Cardiac Lipoma | * Epicardial or intramural lesion |
| Paraganglioma | * Well defined lesion arising from atrial walls or septum
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| Atrioventricular Node Tumor | * Hypointense cardiac mass on standard imaging
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| Fibrosarcoma | * Heterogenous or isointense to myocardium on T1 weighted images[1] |
| Angiosarcoma | * Arterial phase enhancement[1] |
| Rhabdomyosarcoma | * Intermediate-to-hypointensity compared with muscle on T1 images
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