Benign gallbladder diseases: Imaging techniques and tips for differentiating with malignant gallbladder diseases

Figure 16 Chronic cholecystitis. A: Contracted gallbladder filled with multiple echogenic gallstones, showing posterior acoustic shadowing on ultrasound, the two-layered wall (arrows) still preserved; B: Collapsed gallbladder with tiny radiopaque gallstones and diffusely thickened wall, marked by weakly enhancing inner layer with fuzzy margins and thin hypodense outer layer on computed tomography; C-E: Smooth, slow, and prolonged enhancement of gallbladder wall during dynamic-enhanced magnetic resonance imaging.