Acute necrotizing eosinophilic myocarditis is characterized by acute onset, fulminant congestive heart failure, and extensive necrosis of myocytes with striking eosinophilic infiltration. However, multinucleated giant cells sometimes appear in the fulminant phase of severe myocarditis. This is the first case of a patient with a 1 year previous history of idiopathic thrombocytopenic purpura, who presented with acute necrotizing eosinophilic myocarditis with giant cell infiltration.
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