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.

中文翻译：

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多模态成像在心脏结节病中的作用。

结节病的病因和进展仍然未知。然而，由于相关的充血性心力衰竭、心律失常（如晚期房室传导阻滞）和室性快速性心律失常，心脏结节病 (CS) 与不良预后显着相关。现在可以使用新的成像方式来检测继发于活动性炎症、肉芽肿形成和纤维化变化的 CS 病变。¹⁸F-氟脱氧葡萄糖 (FDG) 正电子发射断层扫描 (PET)/计算机断层扫描 (CT) 和心脏磁共振成像 (CMR) 在诊断和监测确诊或疑似 CS 患者中发挥着重要作用。以下重点回顾将重点介绍无创心脏成像技术的新兴作用，包括 FDG PET/CT 和 CMR。