Polycystic Echinococcosis, also known as human polycystic hydatid disease, is related to cystic echinococcosis and alveolar echinococcosis. An important gene associated with Polycystic Echinococcosis is MT-ND1 (Mitochondrially Encoded NADH:Ubiquinone Oxidoreductase Core Subunit 1). Affiliated tissues include liver.