CTICasesEosinophilic myocarditis
Imaging findings
Chest CT shows diffuse lung edema, pleural effusions, and a pericardial effusion. Cardiac MRI shows myocardial edema (t2-weighted hyperintensity) in the anterolateral wall and septum, patchy subendocardial and mid-myocardial late gadolinium enhancement, and reduced ejection fraction, in a patient with severe asthma and peripheral eosinophilia.
Key takeaways
Eosinophilic myocarditis is a severe complication of hypereosinophilic syndrome or eosinophilic granulomatosis with polyangiitis. Cardiac MRI is highly sensitive for demonstrating myocardial edema and characteristic subendocardial late gadolinium enhancement, which represents active myocardial injury.
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