PNPLA2 and cardiomyopathy: Although not routinely used, the ECG-gated 64-slice CT scan and washout rate of iodine-123-β-methyl iodophenyl-pentadecanoic (BMIPP) acid in the myocardial scintigram were reported to specifically identify myocardial TG deposition and impaired long-chain fatty acid (LCFA) metabolism and assist in the diagnosis of cardiomyopathy due to the PNPLA2 mutation (Higashi et al., 2015; Hirano et al., 2015; Chen et al., 2022; Miyauchi et al., 2023).