Arq Bras Cardiol: Imagem cardiovasc 2023; 36(3): e20230029
8F-FDG PET/CT in Diagnosis, Therapeutic Evaluation and Definition of Management in Cardiac Sarcoidosis: Learn From This Case Report
DOI: 10.36660/abcimg.20230029i
Introduction
Sarcoidosis is a non-caseating granulomatous inflammatory disease of unknown etiology. The presentation can range from an asymptomatic condition with nonspecific findings on chest radiography to organ failure. Any part of the body can be affected, but the most common sites are the mediastinal lymph nodes and the lungs, followed by the skin and ocular structures such as the uvea. Other systems, such as the nervous, endocrine, gastrointestinal, urinary, musculoskeletal, and cardiovascular systems, can also be affected.
Cardiac sarcoidosis is a disease that is still under-researched in cardiology. It is related to cardiomyopathy conditions that can be confused with hypertrophic, infiltrative, or even ischemic cardiomyopathy, and it courses with ventricular arrhythmias and conduction disorders with possible progression to heart failure and/or sudden death. It is worth emphasizing that cardiac sarcoidosis is responsible for up to 35% of cases of complete atrioventricular block (CAVB) in patients under 60 years of age. These patients benefit from the implantation of a pacemaker and implantable cardioverter defibrillator (ICD). Immunosuppressive therapy is indicated to control the inflammatory process.
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