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. 2021 Feb 6;24(2):131–142. doi: 10.1007/s40477-021-00563-1

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© The Author(s) 2021

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Fig. 5 — a Sonography image depicts parietal hyperechoic multiple foci on the gallbladder body and the infundibulum wall, generating comet-tail artifacts on B-mode (white arrows). b Sonography image depicts parietal hyperechoic multiple foci on the gallbladder body generating twinkling artifacts on the colour Doppler exam (yellow arrows)