Difference between fatty change of myocardium and myocardial fatty infiltration Fatty change of myocardium Fat droplets in the cytoplasm of cardiac myocytes Myocardial fatty infiltration Fatty tissue outside the cardiac myocytes (When adipose tissue along the epicardium grows into the heart).--fatty heart Difference between fatty change of myocardium and myocardial fatty infiltration  Fatty change of myocardium Fat droplets in the cytoplasm of cardiac myocytes  Myocardial fatty infiltration Fatty tissue outside the cardiac myocytes (When adipose tissue along the epicardium grows into the heart). --- fatty heart