DescriptionUltrasonography of common bile duct stone, with arrow.jpg
English: Elective abdominal ultrasonography of a 64 year old woman with past colicky pain but no current pain. It shows a mildly dilated common bile duct with what appears to be a gallstone (black arrow). The green and blue dots are blood flow, since the exam is done as a Doppler ultrasound to distinguish the bile duct from blood vessels.
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Mikael Häggström, M.D. Consent note: Written informed consent was obtained from the individual, including online publication.
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