Bile Duct Pathology
Terms in this set (7)
if bile duct pathology is present then dilatation occurs where?
proximal to obstruction.
if bile duct pathology is present then - extrahepatic dilatation occurs
prior to intrahepatic dilatation when there is an extrahepatic obstruction
If obstruction occurs 12-24 hours prior to having the ultrasound
dilitation will not show up = false negative.
definition of false positive results
The stone may have passed, but dilitation will remain for awhile
what normally happens to the biliary ducts after a fatty meal?
Duct size is unchanged or reduced
what happens to the biliary ducts after a fatty meal that is abnormal?
Duct size increases, even if pre-meal size is normal.
clinical presentation with bile duct pathology
Jaundice, Elevated LFT's, Direct Biliruben and ALP
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congenital anomalies of the biliary tree