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The Role of Multimodality Imaging in Cardiac Sarcoidosis
Noriko Oyama-Manabe1, Osamu Manabe2, Tadao Aikawa2,3
1Department of Radiology, Jichi Medical University Saitama Medical Center, Saitama, Japan. norikomanabe@jichi.ac.jp.
Abstract:
The etiology and the progression of sarcoidosis remain unknown. However, cardiac sarcoidosis (CS) is significantly associated with a poor prognosis due to the associated congestive heart failure, arrhythmias (such as an advanced atrioventricular block), and ventricular tachyarrhythmia. Novel imaging modalities are now available to detect CS lesions secondary to active inflammation, granuloma formation, and fibrotic changes. 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) and cardiac magnetic resonance imaging (CMR) play essential roles in diagnosing and monitoring patients with confirmed or suspected CS. The following focused review will highlight the emerging role of non-invasive cardiac imaging techniques, including FDG PET/CT and CMR.
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