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

Figure 7 Segmental adenomyomatosis. A: Mild segmental thickening of fundal gallbladder wall, with comet-tail artifacts on conventional ultrasound (US); B, C: High-resolution US (using high-frequency probe) showing small anechoic cystic inclusions (arrows) of thickened gallbladder wall (Rokitansky-Aschoff sinuses) and comet-tail artifacts, superior to conventional US (B); twinkling artifacts observed on color Doppler US (C); D, E: Same intramural cystic spaces (arrows) and wall thickening of adenomyomatosis seen by computed tomography (C) and magnetic resonance imaging (D).