Focus Issue on Cardiac Sarcoidosis from International Congress of Nuclear Cardiology and Cardiac CT (ICNC 12) Symposium

Improving the Detectability of Cardiac Sarcoidosis—Practical Aspects of ¹⁸F-fluorodeoxyglucose Positron Emission Tomography Imaging for Diagnosis of Cardiac Sarcoidosis—

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Cardiac sarcoidosis (CS) increases the risk of cardiovascular event such as conduction abnormalities, ventricular arrhythmia and heart failure in patients with sarcoidosis. Recently the Heart Rhythm Society (HRS) issued a consensus on the detection of CS. In this report, ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) positron emission tomography (PET) is employed in the diagnosis of CS. In 2012, the Japanese Ministry of Health, Labor, and Welfare (JMHLW) approved cardiac ¹⁸F-FDG PET for the detection of inflammatory lesions in CS. The clinical use of ¹⁸F-FDG PET has significantly increased worldwide. However, a study protocol and diagnostic criteria still need to be established.