Uncommon

  • Unilocular (66%),
    • Usually healthy patients
    • MR 15-20%
  • Multilocular,
    • Immunocompromised
    • MR 80%
  • Risk factors: Cancer, polycythaemia, endocarditis, trauma, hemoglobinopathy, UTI, IVDU, AIDs
    • 70% hematogenous spread
      • Endocarditis, osteomyelitis, IVDU
    • Can also have direct spread
      • Colon, kidney, pancreas
  • Microorganisms
    • Staph, strep, enterococcus, mycobacterium, Actinomyces, candida
  • Management
    • Single– drain + Abx – success 75-90%
    • Multiple - splenectomy