Infection caused by Echinococcus can affect various organs of the body, especially the lungs and liver, which are more involved

. A 66-year-old woman with a 5-year history of hepatic hydatid cyst referred to the hospital with symptoms of new onset severe abdominal pain without abdominal tenderness and distension. evidence of acute liver failure observed. The results of Doppler ultrasound and triphasic computed tomography (CT) scan of the abdomen and pelvis showed right and left hepatic venous thrombosis with portal thrombosis associated with collateral arteries around the spleen hill, as well as giant hydatid liver cysts. The patient received treatment with anticoagulant and Albendazole and candidate for liver transplantation

Involvement in hydatid cyst disease affects various organs, and is asymptomatic in some cases, while non-specific symptomatic in other cases. Portal vein thrombosis is usually associated with portal cavernous transformation. Hepatic and portal vein thrombosis are among the rare complications of Echinococcus that have been reported in less than ten cases to date. The extensive involvement of the liver due to hydatid cyst and invasion to the portal vein and port thrombosis are rare complications of hydatid cyst. Treatment should include the combination therapy of thrombosis with hydatid cyst through medical and surgical measures.