Hydatid disease Echinococcus granulosus

• Facts:
  Humans contact the infection from close contact with dogs (definitive hosts)
• History / PE:
  Generally asymptomatic
  May have symptoms relating to surrounding cyst compression
• Diagnosis:
  Unilocular cystic lesion in any organ
  Eggshell calcifications
  Multiple cysts (E. multilocularis)
• Treatment:
  Surgical resection under cover of albendazole
• Notes:
  Aspiration of cyst is not indicated because of risk of spilling cystic contents and resultant anaphylactic shock