A middle-aged lady with a pyogenic liver abscess caused by Clostridium perfringens

Figure 1 Ultrasound of liver showed mixed heterogeneous echogenicity lesions. Ill defined internal hyperechogenicity with “dirty shadow” appearance suspicious of gas content.

Figure 2 Axial (A) and sagittal (B) contrast multi-detector computerized tomography scan of abdomen. Rim-enhancing cystic lesions with internal gas content occupying both hepatic lobes with the largest occupying the right lobe.