Lenalidomide-induced focal myocarditis mimicking acute ST segment elevation myocardial infarction

Correspondence to Dr Hung Fat Tse, Medicine, The University of Hong Kong, Hong Kong, China; hftse@hkucc.hku.hk An 86-year-old woman with a history of hypertension and diabetes presented with left-sided chest pain and dyspnoea 2 weeks after her treatment for diffuse large B-cell lymphoma. [...]she was initially diagnosed to have inferolateral ST segment elevated myocardial infarction (MI). Cardiac MRI performed 1 week after admission revealed global hypokinesia with LVEF 50% without any delayed hyper-enhancement, and diffuse elevated T1 value (1267–1308 mc) over the myocardium, suggestive of diffuse fibrosis or post-chemotherapy effect (figure 1).