Familial Isolated Arrhythmogenic Ventricular Dysplasia, Left Dominant Form, also known as familial isolated arrhythmogenic ventricular cardiomyopathy, left dominant form, is related to lethal acantholytic erosive disorder and benign chronic pemphigus. An important gene associated with Familial Isolated Arrhythmogenic Ventricular Dysplasia, Left Dominant Form is CTNNA3 (Catenin Alpha 3), and among its related pathways/superpathways are Keratinization and DREAM Repression and Dynorphin Expression. Affiliated tissues include heart, and related phenotypes are muscle and growth/size/body region