Cardiac fibroblast activation detected by 68Gallium-FAPI-46 positron emission tomography–magnetic resonance imaging as a sign of chronic activity in cardiac sarcoidosis
Johannes Siebermair, Lukas Kessler, Jana Kupusović, Tienush Rassaf, Christoph Rischpler
Abstract
Abstract In a patient with cardiac sarcoidosis, follow-up FDG-PET suggested complete remission under immunosuppression whereas FAPI-PET demonstrated ongoing fibroblast activation pointing at its potential to monitor chronic activity in sarcoidosis.
Topics & Concepts
SarcoidosisPositron emission tomographyCardiac sarcoidosisMagnetic resonance imagingMedicineImmunosuppressionFibroblastNuclear medicineCardiac magnetic resonance imagingRadiologyPathologyInternal medicineChemistryIn vitroBiochemistrySarcoidosis and Beryllium Toxicity ResearchPeptidase Inhibition and AnalysisS100 Proteins and Annexins