Most commonly due to ascending cholangitis from benign or obstructive biliary disease or due to haematogenous seeding (e.g. from diverticuli...
Most commonly due to ascending cholangitis from benign or obstructive biliary disease or due to haematogenous seeding (e.g. from diverticulitis). E. coli is the most common pathogen. Treatment is with percutaneous or surgical drainage.
US
• Poorly defined hypoechoic (hyperechoic in 25%) lesion with internal debris
• Septated with irregular walls
• May contain hyperechoic foci (i.e. gas)
CT
• Peripheral rim of enhancement
• Irregular shape
• Attenuation between 0 and 45 HU
• May contain gas locules
Liver abscess. Axial CT image with intravenous contrast demonstrating a low-attenuation liver lesion with peripheral enhancement and enhancing internal septae.
- For Radiology Cases, Discussion join: Radiology Made Easy on Facebook
- Subscribe to our youtube channel for FRCR radiology case discussion
- Join our Telegram group: Radiology Made Easy
