CTICasesMyocarditis / Pericarditis
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Imaging findings
Late gadolinium enhancement inversion recovery MRI series demonstrates high signal attenuation in the myocardium, specifically sub-epicardial to mid-wall enhancement in the septum. This enhancement pattern is patchy, globular, and linear, and importantly, does not follow a vascular territory. There is also a suggestion of pericardial enhancement.
Key takeaways
Myocarditis and/or pericarditis, often following a viral respiratory illness, can be characterized on cardiac MRI by late gadolinium enhancement in a non-vascular distribution, appearing patchy, globular, linear, and/or sub-epicardial to mid-wall.
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