The list of cardiomyopathic processes that lead to increased myocardial 18F FDG uptake on PET is growing and includes myocarditis, genetic cardiomyopathies (hypertrophic cardiomyopathy, Lamin, desmoplakin), and now wild-type ATTR-CA.4 The gene discussed is LMNA; the disease is hypertrophic cardiomyopathy.