1988
DOI: 10.1002/jcu.1870160304
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Ultrasound of hemobilia: A clinical and experimental study

Abstract: Clinical observations on patients with hemobilia secondary to percutaneous biliary procedures and laboratory studies on animals with experimentally induced hemobilia indicate that the presence of fresh blood or clot within the biliary tree may yield an erroneous impression of duct size in ultrasound examinations. Recognition of this potential source of error becomes increasingly important as the use of percutaneous procedures for the relief of biliary obstruction increases.

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Cited by 9 publications
(5 citation statements)
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“…One series included ten patients with haemobilia so investigated, of whom eight were reported as having normal bile ducts and the other two as having common bile duct cholelithiasis 175 . The reasons for these ®ndings have been investigated 162,176,177 . Immediately following a bleed into the biliary tract there may be diffuse but high echogenicity similar to that of the liver itself, so that the bile ducts may not be seen at all.…”
Section: Investigationmentioning
confidence: 99%
“…One series included ten patients with haemobilia so investigated, of whom eight were reported as having normal bile ducts and the other two as having common bile duct cholelithiasis 175 . The reasons for these ®ndings have been investigated 162,176,177 . Immediately following a bleed into the biliary tract there may be diffuse but high echogenicity similar to that of the liver itself, so that the bile ducts may not be seen at all.…”
Section: Investigationmentioning
confidence: 99%
“…US shows fresh blood as high-echogenic masses, and blood clots as hypoechoic soft-tissue masses. [16][17][18] US findings in intragallbladder hemorrhage have demonstrated abnormalities ranging from scattered intraluminal echoes to evenly distributed hypoechoic areas throughout the gallbladder to an ovoid hypoechoic mass with smooth borders that moved freely within the gallbladder. 19 Such US findings are not specific for hemobilia and entail differential diagnoses of tumefactive sludge, polyps, tumor, purulent debris, and parasitic remnant.…”
Section: Discussionmentioning
confidence: 97%
“…Later, after contraction, the clot conforms to the tubular structure of the duct and may be mistaken for the true lumen. These potential problems limit the diagnostic utility of ultrasound [59,60]. Less specific findings are usually seen on ultrasound in patients with hemobilia including cholelithiasis, a dilated biliary tree, evidence of liver contusion, hepatic tumor, or pseudoaneurysm identified as anechoic mass with flow on color Doppler.…”
Section: Ultrasoundmentioning
confidence: 94%