Risk factors for developing<unk>  can be due to infection, post-procedural infection and metastasis such as primary liver tumours, liver metastasis, biliary procedures, biliary injuries, biliary tract disease, appendicitis, and diverticulitis. Major bacterial causes of<unk>  include the following: * Streptococcus species (including Enterococcus) * Escherichia species * Staphylococcus species * Klebsiella species (Higher rates in the Far East) * Anaerobes (including Bacteroides species) * Pseudomonas species * Proteus species * Entamoeba Histolytica However, as noted above, many cases are polymicrobial.
Liver abscess
Pyogenic liver abscess
Amoebic liver abscess
Hepatolithiasis
Cholangitis 
Pancreatic abscess
Ascending cholangitis
Pancreatic cyst