Amoebic liver abscess
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In the left lobe of the liver is a large lobulated hypodense mass with some faint peripheral enhancement. It measures up to 9.2 cm with internal density of approximately 40 HU. In liver segment VII is a smaller 1.2 cm hypodensity. Reduced portal venous phase attenuation is noted within the left lobe of the liver. Periportal oedema. Portal veins are patent. No lymphadenopathy.
The patient underwent ultrasound-guided percutaneous drainage with pus aspirated. Entamoeba histolytica PCR was positive for both the liver aspirate and on faecal sample.