Ultrasound images Haemobilia

Blood in the gallbladder can be the result of gastrointestinal bleeding or other damage to the gallbladder or bile duct wall, for example iatrogenic
trauma from an endoscopic procedure.
The appearances depend upon the stage of evolution of the bleeding. Fresh blood appears as fine, low-level echoes. Blood clots appear as solid, nonshadowing structures and there may be hyperechoic, linear strands.
The history of trauma will allow the sonographer to differentiate from other causes of haemobilia and echogenic bile, particularly those associated with gallbladder inflammation, and there may be other evidence of abdominal trauma on ultrasound such as a haemoperitoneum.

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