Pathology: Cysts due to echinococcus granulosa.
Aetiology: Consider in UK farmers, endemic in the Mediterranean, Australia, New Zealand, the Middle East, South America, Iceland and part of Africa.
Symptoms: Can be asymptomatic, right upper quadrant pain
Investigations: Imaging: Ultrasound Abdomen may show hepatic cysts
Microbiology: Hydatid serology positive
Treatment: Conservative: No treatment if asymptomatic
Surgical: Incision and Drainage
Complications: Infection, rupture of biliary tree
Prognosis: Prognosis is generally good with surgical input
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