Jaundice may occur if the bile duct is obstructed. Rupture in the bile duct, abdominal or peritoneal cavity, or lung may produce fever, urticarcia, or a serious anaphylactoid reaction. Pulmonary cysts are usually discovered on routine chest x-ray. Diagnosis Dogs in sheep-raising areas should be wormed repeatedly. Sheep carcasses and offal should be destroyed to prevent dogs from gaining access to material containing hydatid cysts.
Surgical excision offers the most reliable hope of cure.