biliary system Flashcards
GB normal tranverse diameter
less than 5 cm
GB wall layers
mucosa-inner
muslce-middle
serosa- outer
normal gb wall measurement
<3mm
systemic issues that can also cause GB wall thickness
aids
congestive heart failure
aids
where are the valves of heister located
cystic duct
cystic duct location
superior to cbd and inferior to CHD
superior to neck of GB
normal measurement of CHD
4mm or less
where does the CBD connect at the duodenum
ampulla of vater
what does the sphincter of oddi do
controls the flow of bile and pancreatic fluid through ampulla of vater
CBD normal measurement with GB present
> 8mm
CBD normal measurement without GB
> 12mm
positive fatty meal administration exam
ducts increase in size more than 1mm due to increased bile levels with obstruction
choledochal cyst
most commonly effects the cbd
congenital weakness of ductal walls
choledochal cyst symptoms
jaundice
pain
fever
choledochal cyst lab values
increased alp
choledochal cyst associated with
cholangitis
pancreatitis
liver abscess
carolis disease
type 4 choledochal cyst
congenital anomaly
diffuse,saccular, and fusiform dilitation
carolis disease symptoms
fever
intermittent jaundice
pain
complications of carolis disease
cholangitis
cholangiocarcinoma
hepatic abscess
sepsis
biliary atresia
no opening into digestive tract
not connected to digestive system
ymptoms of biliary atresia
jaundice persists more than 14 days after birth
#1 fatal liver disorder in children
biliary atresia lab values
increased ALP
sono appearance of biliary atresia
triangular cord sign: echogenic area above the portal vein birfur.
small or absent GB during fasting
