NPPB and poikiloderma with neutropenia: The heart is commonly involved in ATTRv‐PN,36 especially in the late‐onset phenotype.5, 8 Our previous study demonstrated that the majority of our ATTRv‐PN patients had a comorbidity of cardiomyopathy with significant radiotracer uptake in the heart on 99mTc‐PYP SPECT imaging, abnormally increased thickness of the IVSd and LVPWd on echocardiography, and increased pro‐BNP in the blood.4