This document discusses liver abscesses, dividing them into bacterial and parasitic/fungal causes. For bacterial abscesses, it notes that the primary causes are gram-negative bacteria entering the liver via the biliary system or portal vein. Clinical manifestations include fever, abdominal pain, jaundice and hepatomegaly. Investigations include blood tests, imaging like CT scan and ultrasound, and biopsy. Treatment involves drainage procedures like percutaneous needle aspiration as well as antibiotic therapy. For amebic abscesses, the primary cause is Entamoeba histolytica, with manifestations of liver pain, weight loss and jaundice. Investigations include stool tests and imaging, while treatment consists of anti-amebic drugs and surgical