Asymptomatic vs. dysentery vs. extraintestinal abscesses
Intestinal- several weeks of crampy abdominal pain, weight loss, watery or bloody diarrhea
Liver abscess-fever, cough, RUQ or epigastric pain, right-sided pleural pain or referred shoulder pain +/- GI upset
Hepatomegaly with tenderness over the liver a typical finding
Abscess rupture can involve associated peritoneum, pericardium, or pleural cavity
Extrahepatic amebic abscesses in the lung, brain, and skin are rare
Hepatomegaly with tenderness over the liver a typical finding
Abscess rupture can involve associated peritoneum, pericardium, or pleural cavity
Amebiasis
Infectious- shigella, salmonella, campylobacter, E. Coli.
Viral hepatitis
Noninfectious- Inflammatory bowel disease, ischemic colitis, diverticulitis, AV malformation.
Autoimmune hepatitis
Pyogenic abscess
Ischemic hepatitis
Aerobic: Escherichia coli, Klebsiella, Pseudomonas