Hepato-biliary surgery Flashcards
what is the function of the gallbladder
Bile reservoir
Concentrates bile
Secretes after meal
- CCK
name some benign conditions of the gallbladder
gallstones
cholesterosis
GB polyps
what is the composition of gallstones
Mixed(>50% cholesterol) make up 80%
other 20%:
Cholesterol
Pigment
what are risk factors for gallstones
Age
Gender
Parity + OCP (4F)
Cholesterol: obesity, ileal disease, cirrhosis, cystic fibrosis, DM, TPN, heart transplant, delayed GB emptying, clofibrate, long-term low-fat diet
Pigment (far east): M=F, haemolytic anaemia, bile infection (e-coli, Bacteroides)
how do gallstones present
Asymptomatic
Dyspeptic symptoms (flatulent dyspepsia)
Biliary colic - stretch pain – foregut pain in upper abdomen – nausea, vomiting, radiating to shoulder
Acute cholecystitis
Empyema
Perforation
Jaundice (Mirrizi’s Syn.) - from stone stuck in neck of gallbladder, perforated gall bladder
Gallstone Ileus
what is choledocholithiasis
the present of gallstones in the common bile duct
how can choledocholithiasis present
Incidental at cholecystectomy
Post-cholecystectomy pain
Pain, jaundice, dark urine, pale stool, pruritus, steatorrhoea
what can choledocholithiasis cause
Obstructive jaundice (painful)
acute pancreatitis
ascending cholangitis
what are the investigations for gallstones
Blood tests:
LFT’s: AST, ALT, ALP
Amylase, Lipase
WCC
USS EUS Oral cholecystography CT scan Radio iso-tope scan (HIDA)
IV cholangiography
MRCP
PTC
ERCP
what is the non-operative management for gallstones
Dissolution
Lithotripsy
what is the operative management for gallstones
Open cholecystectomy
Mini-cholecystectomy
Laparoscopic cholecystectomy +/- OTC “Gold Standard”
Single port cholecystectomy
NOTES cholecystectomy
Cholecystostomy
Subtotal Cholecystectomy
what is the management of common bile duct stones
Expectant treatment (incidental)
Lap trans-cystic CBD exploration
Lap exploration of CBD
Open exploration of CBD
ERCP
- Pre-op
- Intra-op
- Post-op
Transhepatic stone retrieval
what are the types of benign biliary tract disease
congenital
- atresia
- choledochal cysts
benign biliary stricture
- iatrogenic
- gallstone related (Mirrizis)
- inflammatory
what are the different tumours that can cause jaundice
Cholangiocarcinoma:
- Intrahepatic 6%
- Extrahepatic
- Gallbladder Cancer
- Ampullary Cancer
Cancer of the Head of Pancreas
what are risk factors for cholangiocarcinoma
PSC (strong association)
Congenital cystic disease
Biliary-enteric drainage
Thorotrast (contrast)
Hepatolithiasis
Carcinigens: aflatoxins, etc