Key result
In a 57-year-old man with hypertrophic cardiomyopathy, myocardial SPECT and PET/CT imaging revealed myocardial infarction scar tissue despite the absence of significant coronary artery stenosis.
Case Report (n=1)
This case highlights that myocardial infarction and scar tissue can occur in patients with hypertrophic cardiomyopathy even in the absence of significant coronary artery stenosis.
A 57-year-old man with a history of hypertrophic cardiomyopathy diagnosed by echocardiography experienced atypical chest pain and dyspnea for 6 months. A rest Tc-MIBI myocardial SPECT imaging and a F-FDG myocardial PET/CT imaging were performed, which showed multiple matched myocardial perfusion/metabolism defects in the left ventricle, indicating scar tissue. Surprisingly, subsequent contrast coronary angiography revealed no significant coronary artery stenosis.
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Li et al. (2017) conducted a case report in Hypertrophic cardiomyopathy and myocardial infarction (n=1). Tc-MIBI myocardial SPECT and F-FDG myocardial PET/CT imaging was evaluated on Myocardial perfusion/metabolism defects indicating scar tissue. In a 57-year-old man with hypertrophic cardiomyopathy, myocardial SPECT and PET/CT imaging revealed myocardial infarction scar tissue despite the absence of significant coronary artery stenosis.
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