145 Conclusion Our findings highlight the utility of [123I]MIBG scintigraphy as a complementary diagnostic modality for detecting cardiac autonomic dysfunction in sarcoidosis, particularly in patients where FDG PET/CT and CMR imaging are unremarkable despite significant clinical symptoms. This underscores the need to consider alternative explanations, such as sarcoidosis-associated cardiac autonomic dysfunction, which remains under recognized in current clinical practice. Standardization and validation of [123I]MIBG scintigraphy through large-scale studies are necessary to definitively establish the prevalence of SCAD in sarcoidosis patients with symptoms suggesting cardiac involvement of their disease. 9 151 9
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