Microvascular Dysfunction Assessed by 82 Rb PET/CT as a Diagnostic Tool of Chronic Active Myocarditis.
case_report · Level V
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- Record sourced from PubMed, PMID 41211865.
- Also identified by DOI 10.1097/RLU.0000000000006159 and PMC identifier 12673899.
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Abstract
Immune-related myocarditis may be challenging. We report the case of a 66-year-old man with a history of treated multiple myeloma by using immune checkpoint blockers, referred for angina. Coronary angiography was normal. [ 82 Rb]Rubidium PET/CT found diffuse abnormal stress myocardial blood flow and reserve and the apparition of epicardial calcifications. [ 68 Ga]Ga-DOTATOC PET/CT and CMR revealed chronic calcified myocarditis, which was confirmed by histology. This case emphasizes microvascular dysfunction in chronic active myocarditis as assessed by perfusion PET/CT.
Medical subject headings
- Myocarditis
- Positron Emission Tomography Computed Tomography
- Rubidium Radioisotopes
- Microvessels