Lesson 2.1 - Biliary (tree) Path (part 2) Flashcards
what is not a true choledochal cyst
Caroli’s disease (type V)
what type of choledochal cyst involves intrahepatics ducts as well
Type IV
*what occurs with primary choledocholithiasis
stones form within ducts related to diseases causing strictures or dilation resulting in stasis
causes of primary choledocholithiasis (4)
sclerosing cholangitis* prior biliary surgery* caroli's disease parasitic infection sickle cell anemia
*what is secondary choledocholithiasis
migration of stones from the gallbladder into CBD
where are the majority of stones seen in CBD
distal CBD at ampulla of vater
CBD stones differential diagnosis (4)
blood clot
papillary tumour
biliary sludge
none of these shadow
T/F small stones may or may not shadow
true
*Patients with Mirizzi syndrome often present with (3)
painful jaundice
fever
obstruction CHD
what is Mirizzi syndrome
CHD obstruction by edema and infiltration
what conditions may occur with Mirizzi syndrome? (4)
cholecystitis
cholangitis
pancreatitis
fistula between cystic and CHD
what is a fistula
abnormal connection between structures
a fistula is a result of (4)
injury
surgery
infection
inflammation
main cause of hemobilia (mix of blood and bile)
iatrogenic (caused by treatment)
sono appearance of hemobilia
appears as a blood clot in biliary tree
echogenic, conforms to shape of duct
