Fig. 4From: Role of MSCT in the diagnosis of perforated gall bladder (a retrospective study)53-year-old female with abdominal swelling and pain. a Abdominal US shows distended GB with echogenic material (biliary mud, pus, or hemorrhage) with a defect in the anterior wall (arrow). It communicates with a collection (C) anterior to GB. Axial CECT scan (b) confirmed US findings. The collection has enhancing wall suggesting GB rupture and abscess formation. Note the anterior abdominal wall bulge (clinical swelling) and diffuse subcutaneous edemaBack to article page