Echinococcus hydatid cyst

例句：

1. 1. This disease is caused by the Echinococcus hydatid cyst.
   这种病是由棘球蚴囊引起的。
2. 2. The patient was diagnosed with a large Echinococcus hydatid cyst in his liver.
   这位患者被诊断出肝脏内有一个巨大的棘球蚴囊。
3. 3. Treatment for this condition involves surgical removal of the Echinococcus hydatid cyst.
   治疗这种疾病需要手术切除棘球蚴囊。