Liver, Biliary, Pancreas Flashcards
Concerning chronic viral hepatitis which of the following is most correct?
- Chronic hepatitis is defined as histological evidence of acute hepatic injury, repair and regeneration at the same time.
- Hepatitis B transmission is predominately due to blood or sexual contact in developing nations
- Younger patients have a greater risk of progressing to chronic infection than older patients
- Hepatitis E causes a benign sporadic acute hepatitis, with mortality rates of less than 1% across all ages.
- The majority of patients with Hepatitis C clear the virus spontaneously within 2 months with only 1- 2% of those infected progressing to cirrhosis.
*Younger patients have a greater risk of progressing to chronic infection than older patients
Concerning advanced cirrhosis, which of the following is LEAST correct?
- The presence and degree of splenomegaly does not necessarily reflect the presence/extent of portal hypertension.
- Hepatopulmonary syndrome may be seen in up to 30% of patient with severe cirrhosis and portal hypertension
- Liver disease with portal hypertension is a potential cause of pulmonary hypertension
- Only 2 – 5% of patients with advanced cirrhosis have oesophageal varies
- About 40% of patients with cirrhosis are asymptomatic
- *Only 2 – 5% of patients with advanced cirrhosis have oesophageal varies
A patient with well-compensated cirrhosis suddenly develops acute hepatic failure. Which of the follow is LEAST correct?
- It may reflect spontaneous mutation/ endogenous reinfection with a chronic viral agent
- It may reflect ascending cholangitis particularly if the cirrhosis is related to primary sclerosing cholangitis +/- instrumentation
- It may reflect vascular thrombosis
- It may reflect sepsis
- It may reflect splenic infarct
- *It may reflect splenic infarct
Concerning chronic viral hepatitis which of the following is most correct?
- Chronic hepatitis is defined as histological evidence of acute hepatic injury, repair and regeneration at the same time.
- Hepatitis B transmission is predominately due to blood or sexual contact in developing nations
- Younger patients have a greater risk of progressing to chronic infection than older patients
- Hepatitis E causes a benign sporadic acute hepatitis, with mortality rates of less than 1% across all ages.
- The majority of patient with Hepatitis C clear the virus spontaneously within 2 months with only 1- 2% of those infected progressing to cirrhosis.
- *Younger patients have a greater risk of progressing to chronic infection than older patients
Concerning advanced cirrhosis, which of the following is LEAST correct?
- The presence and degree of splenomegaly does not necessarily reflect the presence/extent of portal hypertension.
- Hepatopulmonary syndrome may be seen in up to 30% of patient with severe cirrhosis and portal hypertension
- Liver disease with portal hypertension is a potential causes of pulmonary hypertension
- Only 2 – 5% of patients with advanced cirrhosis have oesophageal varies
- About 40% of patients with cirrhosis are asymptomatic
- *Only 2 – 5% of patients with advanced cirrhosis have oesophageal varies
Concerning autoimmune hepatitis which of the following is LEAST correct?
- In 30 – 40% of cases it may have a fulminant presentation with hepatic failure within 2 months of presentation
- There are 2 subtypes, 1 more common in middle aged females and a second more common in elderly males
- Immunotherapy can induce remissions in 70-85% of patients
- 20% of transplanted patient experience recurrent disease in the transplant
- Without treatment the disease eventually progresses to liver failure
- *There are 2 subtypes, 1 more common in middle aged females and a second more common in elderly males
A 12 year girl has a slowly progressive movement disorder. MRI shows putamen abnormality without a history of methanol or carbon monoxide toxicity. Wilson’s disease is considered. Which of the following most correct?
- Wilson’s disease is unlikely as it is X-linked recessive
- Wilson’s disease is unlikely as it does not present at this age
- Wilson’s disease is unlikely as it a disease of the liver not CNS
- Wilson’s disease is unlikely as the movement disorder is due to cerebellar involvement
- The given history is compatible with Wilson’s disease but other tests would be required for diagnosis.
- *The given history is compatible with Wilson’s disease but other tests would be required for diagnosis.
Concerning neonatal jaundice, which of the following is LEAST recognised as a cause of prolonged hyperbilirubinemia
- Alpha-1-antitryspin deficiency
- Biliary atresia
- Bilateral adrenal haemorrhage
- Renal failure
- Crigler-Najjar Syndrome
- *Renal failure
Concerning biliary atresia which of the following is LEAST correct?
- All forms show at birth an absence or lack of complete cannulation of the common bile duct
- It has association with heterotaxy
- The most common or perinatal form is an idiopathic destructive/ fibrosing condition affecting the biliary tree in the first 3 months of life
- Cirrhosis eventually develops in 20- 40% of patients over 3 – 5 years
- In some patients the disease involves the proximal ducts away from the porta and surgery may not be possible.
- *All forms show at birth an absence or lack of complete cannulation of the common bile duct
Concerning primary sclerosing cholangitis (PSC), which of the following is LEAST correct?
- 70% of patients have associated Ulcerative colitis
- Less than 0.01% of patients with inflammatory bowel disease develop PSC
- It is most common in males 20 – 50 years old
- There is a lifetime risk of cholangiocarcinoma of 15% -20%
- Associated strictures can be a cause of chronic pancreatitis
- *Less than 0.01% of patients with inflammatory bowel disease develop PSC
A patient has evidence of portal vein thrombosis with long established collateral formation but no cirrhosis. Which of the following is LEAST likely to relevant?
- History of prematurity with 6/52 neonatal ICU admission
- History of Choledocholithiasis with recurrent pancreatitis
- Current myelofibrosis (from previous polycythaemia)
- Previous appendiceal abscess
- History of Rheumatoid Arthritis
- *History of Rheumatoid Arthritis
Sinusoidal Obstruction syndrome is most likely to occur in which of the following settings:
- 3 weeks post allogenic haematological stem cell transplantation
- 1st week of life in a prem infant <1000 g
- 1st week of life of a term infant
- In the 1st month postpartum
- Severe right heart failure
- *3 weeks post allogenic haematological stem cell transplantation
Concerning gall bladder inflammation, which of the following is LEAST correct?
- 1-10% of cases of acute cholecystitis are acalculous with ischemia thought to play a significant role
- Acalculous cholecystitis is more common in setting of septic shock and burns
- Rare but recognised causes of acalculous cholecystitis include vasculitis and typhoid infection
- Xanthogranulomatous cholecystitis is characterised by a markedly thickened wall, in a shrunken nodular gall bladder.
- Chronic cholecystitis, unlike acute is more common in females and has a lower (70%) association with cholelithiasis.
- *Chronic cholecystitis, unlike acute is more common in females and has a lower (70%) association with cholelithiasis.
Which of the following is NOT an accepted cause of pancreatitis?
- Metabolic conditions including hyperparathyroidism and hyperlipidaemia
- Medications including frusemide
- Pancreatic ischemia
- Mumps virus
- SIADH
- *SIADH
A child has pancreatitis. Which of the following is LEAST correct?
- This could be hereditary pancreatitis which can behave as an autosomal dominant condition
- This could be hereditary pancreatitis which can behave as an autosomal recessive condition
- This could be secondary to cystic fibrosis
- This could be associated with mumps virus infection
- Hereditary pancreatitis is not associated elevated risk of pancreatic carcinoma
- *Hereditary pancreatitis is not associated elevated risk of pancreatic carcinoma
Concerning chronic pancreatitis, which of the following is LEAST likely to be a cause?
- Hereditary causes
- Pancreatitis duct stricture
- Marfan’s syndrome.
- IgG4-realted disease
- Pancreatic duct/ common duct calcui
- *Marfan’s syndrome.
Concerning cystic neoplasms of the pancreas, which of the following is LEAST correct?
- Only 5 – 15% of pancreatic cysts are neoplastic
- Serous neoplasms are usually unilocular and more common in the head of the pancreas
- Serous pancreatic neoplasms are more common in females (at least 2 – 3 x) and most common in the 60 – 80 year age group.
- Mucinous neoplasms are far more common in females (~ 95%)
- IPMN are more common in males than females, more common in the pancreatic head (with 10 – 20% are multifocal)
- *Serous neoplasms are usually unilocular and more common in the head of the pancreas
Concerning pancreatic adenocarcinoma, which of the following is LEAST correct?
- Smoking is a risk factor for pancreatic adenocarcinoma
- Diabetes is a risk factor of pancreatic adenocarcinoma
- Diabetes can be a complication of pancreatic adenocarcinoma
- The risk of pancreatic adenocarcinoma in hereditary pancreatitis is up 40%
- There is no association with BRACA mutations
- *There is no association with BRACA mutations
A body builder admits to taking steroids. He has yellow eyes and a normal biliary ultrasound. What is the most likely diagnosis? (March 2015)
a. Cholestasis
b. Fatty liver
c. Steatohepatitis
d. Cirrhosis with fibrosis
- Anabolic steroids have been implicated in acute cholestatic liver injury
- Fatty liver, steatohepatitis and cirrhosis with fibrosis should have abnormalities on ultrasound
ANSWER: Cholestasis (or steatohepatitis)
A woman has deranged LFTs. She has been on the oral contraceptive pill for 12 months. Her ultrasound shows a normal biliary tree. (September 2013)
a. Steatosis/fatty liver
b. Steatohepatitis
c. Hepatocellular necrosis
ANSWER: Steatohepatitis given the normal biliary tree and deranged liver function tests
Which is a cause of fulminant hepatitis? (August 2014)
a. Autoimmune hepatitis
b. Hepatitis B
c. Carbon tetrachloride
Fulminant hepatitis
- onset of encephalopathy w/in 2 weeks of the onset of jaundice
Viral:
- Hepatitis A, B, D, E (Hepatitis B and E the most common causes of fulminant hepatitis in Asia)
- Other: CMV, EBV, HSV
- HCV is not listed as a cause in Robbins
Toxins:
- Drugs:
• Paracetamol (overdose most common cause of fulminant hepatic failure in Western Countries)
- Synergistic effect with alcohol or barbituates
• Isoniazid
• Tetracyclines
• Carbamazepine
• Valproate
- Other toxins:
• Halogenated hydrocarbons
Metabolic:
- Wilson disease
- A-1 AT deficiency
- Galactosaemia
- Tyrosinaemia
- Reye Syndrome
- NASH
Associated w/ pregnancy:
- Acute fatty liver of pregnancy
- HELLP syndrome
Vascular:
- Budd-Chiari syndrome
- Veno-occlusive disease
- Shock
- Heart failure
Miscellaneous:
- Autoimmune hepatitis
- Malignant infiltration
- Hyperthermia
- Sepsis
ANSWER: All of the options are implicated in the development of fulminant hepatic failure. Hepatitis B is one of the most common causes in Asian nations.
Which is not an indication for a TIPSS procedure? (March 2016)
a. Hepatorenal syndrome
b. Hepatopulmonary syndrome
c. Intractable ascites
d. Bleeding gastric varices
e. Fulminant liver failure
ANSWER: Fulminant liver failure is a contra-indication to TIPSS placement
Regarding liver transplant medication, what is the most common complication? (August 2016)
a. Veno-occlusive disease
Hepatic veno-occlusive disease – now known as sinusoidal obstruction syndrome
- Arises from the occlusion of the hepatic venules
Clinical presentation:
RUQ pain
Hepatomegaly
Ascites
Abnormal liver function tests
Pathology:
- Toxic injury to the liver sinusoids causes sloughing of the endothelial cells which embolise to the hepatic venules and cause eventual fibrosis
- Results in hepatic congestion (similar to Budd-Chiari) and post-sinusoidal portal hypertension
Causes:
- BM transplantation
- Chemotherapy
• Systemic neoadjuvant chemotherapy in colorectal cancer (especially oxaliplatin)
- Jamaican bush tea
ANSWER: Veno-occlusive disease does not appear to be related to liver transplant medications
Fibrosis is not seen in: (September 2013, March 2017)
a. Budd-Chiari
b. Cirrhosis
c. Haemochromatosis
d. Wilson disease
ANSWER: ? some sources state Budd-Chiari although this gives centrilobular fibrosis and scarring.
Which is least likely to cause generalized cirrhosis? (March 2017)
a. Hepatitis C
b. Budd-Chiari syndrome
c. Schistosomiasis
- Budd-Chiari: centrilobular fibrosis and scarring
- Schistosomiasis: pipestem fibrosis without distortion of the intervening parenchyma
ANSWER: Schistosomiasis is least likely to give generalized cirrhosis of these options
What is the least likely cause of fulminant hepatitis? (March 2015)
a. Hepatitis A
b. Hepatitis B
c. Hepatitis C
d. HSV
e. CMV
• Fulminant hepatitis is defined as severe impairment of synthetic function and progression to encephalopathy within 8 weeks
ANSWER: HCV is the least likely cause of fulminant hepatitis
In a hepatitis D needlestick injury, which of the following is the most important? (September 2013)
a. Hepatitis A
b. Hepatitis B
c. Hepatitis C
d. Hepatitis E
e. Hepatitis F
ANSWER: Hepatitis B, as hepatitis D is only virulent with HBV coinfection