Spontaneous Rupture of Hepatic Hydatid Cyst into the Inferior Vena Cava and Hepatic Vein

Hydatid disease is a zoonosis caused by Echinococcus. Vascular complication like rupture of hepatic hydatid cyst into inferior vena cava is extremely rare and potentially life threatening. This report describes a case of a 52-year-old male with spontaneous fistulization of a hepatic hydatid cyst into the inferior vena cava and right hepatic vein.