Hepato-Biliary Surgery Flashcards
What are the functions of the gallbladder?
Bile reservoir
Concentrates bile
Secretes after meal (CKK)
What can be said about the anatomy of the gallbladder from person to person?
Anatomical variations exist
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What can be said about the anatomy of the blood supply to the gallbladder?
Anatomical variations exist
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What are some examples of conditions of the gallbladder?
Gallstone disease
Cholesterosis
Gallbladder
What is the procedure where the gallbladder is removed called?
Cholecystectomies
What is the composition of gallstones?
Mixed (>50% cholesterol), 80%
Cholesterol 10%
Pigment 10%
What are risk factors for gallstones?
Age
Gender
Parity + oral contraceptives (OCP)
Cholesterol
Pigment (haemolytic anaemia, bile infection)
What are risk factors for high cholesterol?
Obesity
Ileal disease
Cirrhosis
Cystic fibrosis
DM
TPN
Heart transplant
What is the presentation of gallstones?
Asymptomatic
Dyspeptic symptoms
Biliary colic
Acute cholecystitis
Empyema
Perforation
Jaundice
Gallstone ileus
What is inflammation of the gallbladder?
Cholecystitis
What is the presence of a small gallstone in the comment bile duct?
Choledocholthiasis
What is the presentation of choledocholithiasis?
Post-cholecystectomy pain
Obstructive jaundice (painful)
Dark urine
Pale stool
Steatorrhoea
What investigations are done for gallstones?
Blood tests (LFTs, amylase, lipase, WCC)
USS
EUS
Oral cholecystography
CT scan
What are the two broad categories of gallstone management?
Non-operative treatment
Operative treatment
What is the non-operative management for gallstones?
Dissolution
Lithotripsy
What is a treatment that uses shock waves to treat gallstones?
Lithotripsy
What is the operative management of gallstones?
Open cholecystectomy
Mini-cholecystectomy
Laparoscopic cholecystectomy
Singl eport cholecystectomy
Cholecystectomy
Subtotal cholecystectomy
What does CBD stand for?
Common bile duct
What does the management of common bile duct stones involve?
Expectant treatment (incidental)
Lap trans-cystic, lap or open exploration of CBD
ERCP
Transhepatic stone retrieval
What procedure allows examination of the CBD or pancreatic duct using an endoscopy through the mouth?
Endoscopic retrograde cholangiopancreatography (ERCP)
What are benign biliary tract diseases?
Diseases that affect the bile ducts, gallbladder and other structures involved in the production and transportation of bile
What are examples of benign biliary tract diseases?
Biliary atresia
Choledochal cysts
What kind of diseases are benign biliary tract diseases?
Congenital
What is biliary atresia?
Narrowing, blockage or absent bile ducts
What are choledochal cysts?
Cystic dilations of the biliary tree
What is a cyst?
Membraneous sac or cavity of abnormal character in the body containing fluid
What are the different categories of biliary atresia?
Iatrogenic
Gallstone related
Inflammatory
What are examples of inflammatory causes of biliary atresia?
Pyogenic
Parasitic
Primary sclerosing cholangitis (PSC)
Pancreatitis
HIV
What are the different types of choledochal cysts?
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What are examples of malignant tumours that can cause jaundice?
Cholangiocarcinoma
Cancer of the head of the pancreas
What is the name of bile duct cancer?
Cholangiocarcinoma
What are the broad categories of cholangiocarcinoma?
Extra-hepatic
Intra-hepatic
Gallbladder cancer
Ampullary cancer
Which of intra and extra-hepatic cholangiocarcinoma occurs more often?
Extrahepatic (94%)
Intrahepatic (6%)
Out of hilar and distal, where do most extrahepatic cholangiocarcinomas occur?
Hilar (67%)
Distal (27%)
What are risk factors for cholangiocarcinoma?
PSC (strong association)
Congenital cystic disease
Biliary-enteric drainage
Thorotrast (contrast)
Hepatolithiasis
Carcinogens (such as aflatoxins)
What is the presentation of cholangiocarcinoma?
Obstructive jaundice
Itching
Non-specific symptoms
What investigations are done for cholangiocarcinoma?
Lab
Radiology (USS, EUS, CT, MRA, MRCP, PTC, angiography, FDG PET)
ERCP, cholangioscopy and cytology
What is MRA?
Magnetic resonance angiogram
Lets doctor see inside your blood vessels
What is MRCP?
Magnetic resonance cholangiopancreatography
Visualises biliary and pancreatic ducts in a non-invasive manner using magnetic resonance
What is PTC?
Percutaneous transhepatic cholangiography
Uses contrast injected into the biliary duct and x-rays to visualuse the anatomy of the biliary tract
How is cytology different from histology?
Cytology is the study of individual cells
Histology is the study of individual tissues
What is the management of cholangiocarcinoma?
Surgery is the only potential curative option
Palliative care
What can be done for palliative care for cholangiocarcinoma?
Surgical bypass
Stenting (percutaneous vs endoscopic)
Palliative radiotherapy
Chemotherapy
PDT
Liver transplant (not standard)
What is PDT?
Photodynamic therapy
Uses a drug and a particular kinds of light to form oxygen and kill cells
What is the incidence of gallbladder cancer like?
Rare, is 2-5% of all GI cancers
What is the prognosis of gallbladder cancer?
Poor, except if detected early
How is gallbladder cancer usually diagnosed?
Incidently whilst investigating gallstones
What does the treatment of gallstone cancer depend on?
What stage the cancer is
What is ampullary cancer?
Cancer that forms in th ampullar of Vater
What is the ampulla of Vater?
Small opening that enters into the first portion of the duodenum
What are the 2 histological classifications of ampullary tumours?
Adenoma
Adenocarcinoma
What is an adenoma?
Benign tumour of glandular tissue
What is an adenocarcinoma?
Malignant tumour of gland tissue
What are the treatment options for ampullary tumours?
Endoscopic excision
Trans-duodenal excision
Pancreatico-duodenctomy
What is a pancreatico-duodenctomy?
Operation to remove the head of the pancreas