Fig. 13From: Gallbladder adenomyomatosis: imaging findings, tricks and pitfallsGallbladder adenomyomatosis: typical CT findings. At CT, gallbladder adenomyomatosis is characterized by mural thickening (line) containing cystic spaces representing Rokitansky–Aschoff sinuses (arrows). Large RAS can be easily identified on 3-mm-thick reconstructions (a), whereas for identifying smaller RAS thin slices evaluation is crucial (b)Back to article page