Block 2 Pancreas/Liver/Gall bladder Flashcards
Describe the following for annular pancreas:
What is it?
What is a complication?
Patho:
A malformation of the pancreas where it grows as a ring around the duodenum
Complications:
Duodenal obstruction
Patho:
A malformation of the pancreas where it grows as a ring around the duodenum
Complications:
Duodenal obstruction
Describes which condition?
Annular pancreas
Describe the following for acute pancreatitis:
What is it?
What are the lab findings?
What are the causes?
- #1 vs others
What are the symptoms?
What are the complications?
Patho:
Inflammation with hemorrhaging of the pancreas because of prematurely activated trypsin which activates other pancreatic enzymes resulting in auto/self-digestion of the pancreatic parenchyma
Labs:
Elevated lipase & amylase
Liquefactive hemorrhagic necrosis
Fat necrosis/saponification
Hypercalcemia
Causes:
Main
1) #1 Alcohol & gallstones
Other
1) Trauma
2) Hypercalcemia
3) Hyperlipidemia
4) Scorpion sting/drugs
5) MUMPS
6) Rupture of a posterior duodenal ulcer
Signs:
1) Epigastric pain (rad to back)
2) Nausea/vomiting
3) Periumbilical & flank hemorrhaging
4) Hypercalcemia
Comps:
1) Shock
2) Pancreatic pseudocyst (rupture)
3) Pancreatic abscess
4) DIC & Acute respiratory distress syndrome (ARDS)
Patho:
Inflammation with hemorrhaging of the pancreas because of prematurely activated trypsin which activates other pancreatic enzymes resulting in auto/self-digestion of the pancreatic parenchyma
Labs:
Elevated lipase & amylase
Liquefactive hemorrhagic necrosis
Fat necrosis/saponification
Hypercalcemia
Causes:
Main
1) #1 Alcohol & gallstones
Other
1) Trauma
2) Hypercalcemia
3) Hyperlipidemia
4) Scorpion sting/drugs
5) MUMPS
6) Rupture of a posterior duodenal ulcer
Signs:
1) Epigastric pain (rad to back)
2) Nausea/vomiting
3) Periumbilical & flank hemorrhaging
4) Hypercalcemia
Comps:
1) Shock
2) Pancreatic pseudocyst (rupture)
3) Pancreatic abscess
4) DIC & Acute respiratory distress syndrome (ARDS)
Describes which condition?
Acute pancreatitis
What is a Pancreatic pseudocyst?
- Patho
- Lab findings
- Complication
Patho:
An abdominal mass that’s a complication of acute pancreatitis
Labs:
Elevated serum amylase
Comps:
Rupture can release pancreatic enzymes into the abdominal cavity & cause hemorrhaging
Patho:
An abdominal mass that’s a complication of acute pancreatitis
Labs:
Elevated serum amylase
Comps:
Rupture can release pancreatic enzymes into the abdominal cavity & cause hemorrhaging
Describes which condition?
Pancreatic pseudocyst
What is a pancreatic abscess?
- Patho
- Labs
- Symptoms
Patho:
A mass in the pancreas filled with E.coli
Labs:
Elevated amylase
Signs:
1) Abdominal pain
2) High fever
Patho:
A mass in the pancreas filled with E.coli, a complication of acute pancreatitis
Labs:
Elevated amylase
Signs:
1) Abdominal pain
2) High fever
Describes which condition?
Pancreatic abscess
Describe the following for chronic pancreatitis:
What is it?
What causes it?
- main cause in adults vs children
What are the symptoms?
What are the lab findings?
What are the complications?
Patho:
Fibrosis of the pancreatic parenchyma
Causes:
#1 alcohol (adults)
#1 Cystic fibrosis (children)
Signs:
1) Epigastric abdominal pain (radiating to back)
2) Pancreatic insufficiency (malabsorption, steatorrhea, & fat soluble vitamin deficiency)
Labs/histo:
1) Dystrophic calcification of pancreatic parenchyma (Chain of lakes imaging) from dilated pancreatic ducts
Comps:
1) Secondary diabetes mellitus
2) Higher risk of pancreatic carcinoma
Patho:
Fibrosis of the pancreatic parenchyma
Causes:
#1 alcohol (adults)
#1 Cystic fibrosis (children)
Signs:
1) Epigastric abdominal pain (radiating to back)
2) Pancreatic insufficiency (malabsorption, steatorrhea, & fat soluble vitamin deficiency)
Labs/histo:
1) Dystrophic calcification of pancreatic parenchyma (Chain of lakes imaging) from dilated pancreatic ducts
Comps:
1) Secondary diabetes mellitus
2) Higher risk of pancreatic carcinoma
Describes which condition?
Chronic pancreatitis
Describe the following for a pancreatic carcinoma:
What is it?
What are some risk factors?
What are the symptoms?
What is the treatment?
- the prognosis
Patho:
An adenocarcinoma arising from the pancreatic ducts usually seen in 70yr plus
Risks:
1) Smoking
2) Chronic pancreatitis
Signs:
1) Epigastric abdominal pain
2) Weight loss
3) Obstructive jaundice
4) Pale stools
5) Palpable gallbladder (ass with tumors in the head of the pancreas)
6) Migratory thrombophlebitis (Trousseaus sign)
Rx:
Surgical resection involving en bloc removal of the neck/head of the pancreas, proximal duodenum, & gallbladder (Whipple procedure)
Prog:
Very poor prognosis 1yr survival
Patho:
An adenocarcinoma arising from the pancreatic ducts usually seen in 70yr plus
Risks:
1) Smoking
2) Chronic pancreatitis
Signs:
1) Epigastric abdominal pain
2) Weight loss
3) Obstructive jaundice
4) Pale stools
5) Palpable gallbladder (ass with tumors in the head of the pancreas)
6) Migratory thrombophlebitis (Trousseaus sign)
Rx:
Surgical resection involving en bloc removal of the neck/head of the pancreas, proximal duodenum, & gallbladder (Whipple procedure)
Prog:
Very poor prognosis 1yr survival
Pancreatic carcinoma
Describe the following for biliary atresia:
What is it?
What are the symptoms?
What are the complications?
Patho:
Failure of the biliary tree to form or early destruction of the extrahepatic biliary tree
Signs:
1) Jaundice (progress to cirrhosis)
Comps:
1) Biliary obstruction in the first 2 months of life
Patho:
Failure of the biliary tree to form or early destruction of the extrahepatic biliary tree
Signs:
1) Jaundice (progress to cirrhosis)
Comps:
1) Biliary obstruction in the first 2 months of life
Describes which condition?
Biliary atresia
Describe the following for Cholelithiasis (Gallstones):
What is it?
- What are the subtypes?
What are the causes?
Patho:
Solid round stones in the gallbladder due to precipitation of either cholesterol or bilirubin in the bile
Subtypes:
1) Cholesterol stones
2) Bilirubin stones
Causes:
1) Supersaturation of cholesterol or bilirubin
2) Decreased phospholipids (lethicin) or bile acids
3) Stasis
Patho:
Solid round stones in the gallbladder due to precipitation of either cholesterol or bilirubin in the bile
Subtypes:
1) Cholesterol stones
2) Bilirubin stones
Causes:
1) Supersaturation of cholesterol or bilirubin
2) Decreased phospholipids (lethicin) or bile acids
3) Stasis
Describes which condition?
Cholelithiasis (Gallstones)
Describe the following for cholesterol stones:
What are they?
What are the lab findings?
What are the symptoms?
What are the risk factors?
Patho:
A type of gallstone that are solid yellow round stones that are made up of supersaturated or precipitated cholesterol.
Labs/histo:
1) Radiolucent on imaging
Signs:
1) Biliary colic
2) Acute & chronic cholecystitis
3) Gallstone ileus
4) Gallbladder cancer
Risks:
1) Age (40+yrs)
2) Elevated estrogen (obesity, female, multiple preggos)
3) Clofibrate (lipid catabolism drug)
4) Native American descent
5) Chron’s disease
6) Cirrhosis
Patho:
A type of gallstone that are solid yellow round stones that are made up of supersaturated or precipitated cholesterol.
Labs/histo:
1) Radiolucent on imaging
Signs:
1) Biliary colic
2) Acute & chronic cholecystitis
3) Gallstone ileus
4) Gallbladder cancer
Risks:
1) Age (40+yrs)
2) Elevated estrogen (obesity, female, multiple preggos)
3) Clofibrate (lipid catabolism drug)
4) Native American descent
5) Chron’s disease
6) Cirrhosis
Describes which condition?
Cholesterol stones
Describe the following for Bilirubin stones:
What are they?
What are the lab findings?
What are the symptoms?
Patho:
A type of gallstone that are solid pigmented/dark round stones made up of supersaturated/precipitated bilirubin
Labs:
1) usually, radio opaque on imaging
2) Elevated bilirubin in bile (Extravascular hemolysis)
Signs:
1) Biliary colic
2) Biliary tract infection (E.coli, Ascaris lumbriocoides, & Clonorchis Sinesis)
3) Acute & chronic cholecystitis
4) Gallstone ileus
5) Gallbladder cancer
Patho:
A type of gallstone that are solid pigmented/dark round stones made up of supersaturated/precipitated bilirubin
Labs:
1) usually, radio opaque on imaging
2) Elevated bilirubin in bile (Extravascular hemolysis)
Signs:
1) Biliary colic
2) Biliary tract infection (E.coli, Ascaris lumbriocoides, & Clonorchis Sinesis)
3) Acute & chronic cholecystitis
4) Gallstone ileus
5) Gallbladder cancer
Describes which condition?
Bilirubin stones
A round worm infection that is contracted by the fecal-oral route that infects the biliary tract resulting in a high risk of which complication?
Gallstones due to Ascaris Lumbricoides
The Chinese liver fluke (common in Korea, China, & Vietnam) that infects the biliary tract causing an increased risk of developing which conditions?
Gallstones
Cholangitis
Cholangiocarcinoma
Due to a Clonorchis Sinensis infection
Describe the following for Biliary colic:
What is it?
What are the symptoms?
What are the complications?
Patho:
When a gallstone gets stuck in the cystic duct & the gallbladder has to contract against it
Signs:
1) Waxing & wanning RUQ pain (relieved with stone passing)
Comps:
1) Acute pancreatitis
2) Obstructive jaundice
Patho:
When a gallstone gets stuck in the cystic duct & the gallbladder has to contract against it
Signs:
1) Waxing & wanning RUQ pain (relieved with stone passing)
Comps:
1) Acute pancreatitis
2) Obstructive jaundice
Describes which condition?
Biliary colic
Acute cholecystitis:
What is it?
What are the symptoms?
What are the lab findings?
-Imaging
What is a complication?
Patho:
Acute inflammation of the gallbladder wall, because of an impacted stone in the cystic duct resulting in dilation with pressure ischemia, bacterial overgrowth (E.coli), & inflammation
Signs:
1) RUQ pain (radiating to the right scapula)
2) Fever
3) Nausea/vomiting
4) Murphy sign (sudden pausing during inspiration upon deep palpation of the RUQ due to pain)
Labs:
1) Elevated WBC count
2) Elevated serum alkaline phosphatase (duct damage)
3) Elevated CRP
Imaging:
gallbladder wall thickening and/or edema (double wall sign)
Comps:
1) Risk of rupture in not treated
Patho:
An impacted gallstone in the cystic duct causing gallbladder wall inflammation & thickening (double wall), pressure ischemia, & ecoli overgrowth
Signs:
1) RUQ pain (radiating to the right scapula)
2) Fever/Nausea/vomiting
5) Murphy sign
Labs:
1) Elevated WBC count
2) Elevated serum alkaline phosphatase
3) Elevated CRP
Comps:
1) Risk of rupture in not treated
Describes which condition?
Acute cholecystitis
Describe the following for Cholelithiasis:
What is it? & What causes it?
What are the lab findings?
- imaging
Patho/causes:
Gallstones in the gallbladder due to bile cholesterol oversaturation, stasis, or impaired bile circulation (precipitation of gallstones)
Normal labs
Imaging:
- Gallstones with a post-acoustic shadow
Patho/causes:
Gallstones in the gallbladder due to bile cholesterol oversaturation, stasis, or impaired bile circulation (precipitation of gallstones)
Normal labs
Imaging:
- Gallstones with a post-acoustic shadow
Describes which condition?
Cholelithiasis
Describe the following for Choledocholithiasis:
What is it?
What are the symptoms?
What are the lab findings?
-images
Patho:
Gallstones in the common bile duct
Signs:
1) RUQ pain
2) Jaundice
Labs:
Elevated total bilirubin
Elevated GGT (glutamyl transpeptidase)
Elevated ALP, AST, & ALT
Imaging:
Dilated common bile duct
Patho:
Gallstones in the common bile duct
Signs:
1) RUQ pain
2) Jaundice
Labs:
Elevated total bilirubin
Elevated GGT (glutamyl transpeptidase)
Elevated ALP, AST, & ALT
Imaging:
Dilated common bile duct
Describes which condition?
Choledocholithiasis
Describe the following for acute/ascending cholangitis:
What is it?
What are the symptoms?
What are the complications?
Patho:
Bacterial infection of the bile ducts usually from gram -ve enteric bacteria
Signs:
1) Sepsis (fever/chills)
2) Jaundice
4) Abdominal pain
Comps:
1) Increased risk
Patho:
Bacterial infection of the bile ducts usually from gram -ve enteric bacteria
Signs:
1) Sepsis (fever/chills)
2) Jaundice
4) Abdominal pain
Comps:
1) Increased risk
Describes which condition?
Acute/ascending cholangitis
Describe the following for Chronic cholecystitis:
What is it?
What causes it?
What are the lab findings?
- histology
What are the symptoms?
What are the complications?
Patho:
Chronic inflammation of the gastric wall
Causes:
From chemical irritation due to long-standing cholelithiasis with/without superimposed bouts of acute cholecystitis
Labs/histo:
Rokitansky-Aschoff sinus (Herniation of the gallbladder mucosa into the muscular wall)
Signs:
1) Vague RUQ pain that’s worse after eating
Comp:
Porcelain gallbladder (it becomes shrunken & hard because of chronic inflammation, fibrosis & dystrophic calcification)
Patho:
Chronic inflammation of the gastric wall
Causes:
From chemical irritation due to long-standing cholelithiasis with/without superimposed bouts of acute cholecystitis
Labs/histo:
Rokitansky-Aschoff sinus (Herniation of the gallbladder mucosa into the muscular wall)
Signs:
1) Vague RUQ pain that’s worse after eating
Comp:
Porcelain gallbladder (it becomes shrunken & hard because of chronic inflammation, fibrosis & dystrophic calcification)
Describes which condition?
Chronic Cholecystitis
Describe the following for Gallstones:
What are they & what causes them?
Patho/cause:
Gallstones enter the small bowel via a fistula that connects the gallbladder & ileum. It can result in small bowel obstruction
Patho/cause:
Gallstones enter the small bowel via a fistula that connects the gallbladder & ileum. It can result in small bowel obstruction
Describes which condition?
Gallstones
Describe the following for Gall bladder carcinoma:
What is it?
What are the risk factors?
What is the classic presentation & prognosis?
Patho:
An adenocarcinoma arising from the glandular epithelium lining the gallbladder wall
Risks:
1) Gallstones (especially with the complication of porcelain gallbladder)
Classical prez:
The sins of cholecystitis typically in elderly women
Prognosis is POOR
Patho:
An adenocarcinoma arising from the glandular epithelium lining the gallbladder wall
Risks:
1) Gallstones (especially with the complication of porcelain gallbladder)
Classical prez:
The sins of cholecystitis typically in elderly women
Prognosis is POOR
Describes which condition?
Gall bladder cancer
Describe the following for Metastasis to the liver:
What is it & What are the cancers that most common metastasize to the liver?
More common than primary liver tumors. The most common types of cancer that metastasized to the liver include
- Colon
- Breast
- Lung
- Pancreas
They result in multiple nodules on the liver & it can be clinically detected as hepatosplenomegaly with a nodular free edge of the liver
More common than primary liver tumors. The most common types of cancer that metastasized to the liver include
- Colon
- Breast
- Lung
- Pancreas
They result in multiple nodules on the liver & it can be clinically detected as hepatosplenomegaly with a nodular free edge of the liver
Describes which condition?
Metastasis to the liver
Describe the following for Reye syndrome:
What is it?
What are the lab findings?
What are the symptoms?
What are the complications?
Patho:
When kids with viral infections are given aspirin get fulminant of liver failure & encephalopathy
(mitochondrial damage causes deficient B-oxidation & micro vesicular changes)
Labs:
Elevated AST/ALT
Increased PT time
Damaged mitochondria of hepatocytes
Hypoglycemia
Hyperammonia
Microvesicular hepatic steatosis
Signs:
1) Hepatomegaly
2) Nausea/vomiting
3) Encephalopathy (increased ICP)
Comps:
Coma & eventual death
Patho:
When kids with viral infections are given aspirin get fulminant of liver failure & encephalopathy
(mitochondrial damage causes deficient B-oxidation & micro vesicular changes)
Labs:
Elevated AST/ALT
Increased PT time
Damaged mitochondria of hepatocytes
Hypoglycemia
Hyperammonia
Microvesicular hepatic steatosis
Signs:
1) Hepatomegaly
2) Nausea/vomiting
3) Encephalopathy (increased ICP)
Comps:
Coma & eventual death
Describes which condition?
Reye syndrome
Describe the following for Hepatic adenoma:
What is it?
- associated with what?
What are the complications?
Patho/ass:
A benign liver tumor that is associated with oral contraceptive use (regresses with cessation)
Comps:
Risk of rupture which can cause intraperitoneal bleeding (especially in preggos because the subcapsular tumor grows when exposed to estrogen)
Patho/ass:
A benign liver tumor that is associated with oral contraceptive use (regresses with cessation)
Comps:
Risk of rupture which can cause intraperitoneal bleeding (especially in preggos because the subcapsular tumor grows when exposed to estrogen)
Describes which condition?
Hepatic adenoma
Describe the following for hepatocellular carcinoma:
What is it?
What are the symptoms?
What are the risk factors?
What are the lab findings?
What are the complications?
Patho:
A malignant liver tumor
Signs:
1) Painful hepatosplenomegaly
2) Ascites
3) Weight loss/anorexia
4) Right upper quadrant tenderness
5) Jaundice
Risks:
1) Chronic hepatitis infection (HCV or HBV)
2) Cirrhosis
- Alcoholic/non-alcoholic fatty liver disease
-Hemochromatosis
- Wilsons disease
-A1AT deficiency
3) Aflatoxins (derived from aspergillus resulting in P52 mutations)
Labs:
Elevated a fetoprotein (tumor marker)
Comps:
Risk of progressing to Budd-Chiari syndrome
(Cirrhosis masks symptoms resulting in late diagnosis & very poor prognosis)
Explain what Budd-Chiari syndrome is?
-Patho
- Symptoms
- complication of which condition?
Liver infarction due to hepatic vein obstruction (i.e thrombosis or compression) resulting in hepatic venous congestion & increased sinusoidal pressure.
Labs/histo:
1) Centrilobular necrosis
2) Nutmeg liver
Signs:
1) Abdominal pain
2) Painful hepatomegaly
3) Ascites
4) Jaundice
5) increased perfusion of portocaval anastomoses (e.g., esophageal varices, or caput medusae)
Complication of:
Hepatocellular carcinoma
Liver infarction due to hepatic vein obstruction (i.e thrombosis or compression) resulting in hepatic venous congestion & increased sinusoidal pressure.
Labs/histo:
1) Centrilobular necrosis
2) Nutmeg liver
Signs:
1) Abdominal pain
2) Painful hepatomegaly
3) Ascites
4) Jaundice
5) increased perfusion of portocaval anastomoses (e.g., esophageal varices, or caput medusae)
Complication of:
Hepatocellular carcinoma
Describes which condition?
Budd-Chiari syndrome
Patho:
A malignant liver tumor
Signs:
1) Painful hepatosplenomegaly
2) Ascites
3) Weight loss/anorexia
4) Right upper quadrant tenderness
5) Jaundice
Risks:
1) Chronic hepatitis infection (HCV or HBV)
2) Cirrhosis
- Alcoholic/non-alcoholic fatty liver disease
-Hemochromatosis
- Wilsons disease
-A1AT deficiency
3) Aflatoxins (derived from aspergillus resulting in P52 mutations)
Labs:
Elevated a fetoprotein (tumor marker)
Comps:
Risk of progressing to Budd-Chiari syndrome
(Cirrhosis masks symptoms resulting in late diagnosis & very poor prognosis)
Describes which condition?
Hepatocellular carcinoma
Describe the following for Wilsons disease:
What is it/What causes it?
What are the symptoms?
What are the lab findings?
What are the complications?
What is the treatment?
Patho/Cause:
An AUTO recessive defect (ATP7B) that presents in childhood. Reducing ATP-mediated hepatocyte copper transport into the bile & less corporation into the ceruloplasmin. The copper builds up in the liver & leaks into serum to deposit in tissues forming free radicals causing tissue damage.
Signs:
1) Cirrhosis
2) Neurological changes
(behavior changes, dementia, chorea, & parkinsonian symptoms)
3) Kayser Fleisher rings in the cornea
4) Hepatosplenomegaly
5) Jaundice
6) Ascites
7) Hepatic encephalopathy
8) Cirrhosis
9) Portal hypertension
Labs:
Elevated copper in the liver & urine
Reduced serum ceruloplasmin
Comps:
1) Risk of hepatocellular carcinoma
Rx:
D-penicillamine
Patho/Cause:
An AUTO recessive defect (ATP7B) that presents in childhood. Reducing ATP-mediated hepatocyte copper transport into the bile & less corporation into the ceruloplasmin. The copper builds up in the liver & leaks into serum to deposit in tissues forming free radicals causing tissue damage.
Signs:
1) Cirrhosis
2) Neurological changes
(behavior changes, dementia, chorea, & parkinsonian symptoms)
3) Kayser Fleisher rings in the cornea
4) Hepatosplenomegaly
5) Jaundice
6) Ascites
7) Hepatic encephalopathy
8) Cirrhosis
9) Portal hypertension
Labs:
Elevated copper in the liver & urine
Reduced serum ceruloplasmin
Comps:
1) Risk of hepatocellular carcinoma
Rx:
D-penicillamine
Describes which condition?
Wilsons disease
Describe the following for Primary Biliary cirrhosis:
What is it/What causes it?
-Associations?
What are the symptoms?
What are the lab findings?
What are the complications?
Patho/causes:
Chronic Autoimmune granulomatous destruction of small-medium sized intrahepatic bile ducts (progressive ductopenia) eventually leading to chronic cholestasis & symptoms of cirrhosis & portal HTN.
Ass:
females around 40yrs old & often associated with autoimmune conditions.
Signs:
1) Obstructive jaundice
2) Pale stool
3) dark urine
4) Hepatomegaly
5) RUQ discomfort
6) Splenomegaly
7) Hyperpigmentation
8) Xanthomas and xanthelasma
9) Pruritis
Labs:
Anti-mitochondrial antibodies
↑ ALP, ↑ GGT, ↑ direct bilirubin & indirect
↑ IgM
hypercholesterolemia
Comps:
Cirrhosis & portal HTN
Osteoporosis
What are the stages of primary biliary cirrhosis
1
2
3
4
Stage I: lymphocytic infiltration of portal areas and periductal granulomas
Stage II: bile duct ductopenia, progressive fibrosis
Stage III: bridging fibrosis
Stage IV: liver cirrhosis
Stage I: lymphocytic infiltration of portal areas and periductal granulomas
Stage II: bile duct ductopenia, progressive fibrosis
Stage III: bridging fibrosis
Stage IV: liver cirrhosis
Are the stages of which condition?
Primary biliary cirrhosis
Patho/causes:
Autoimmune granulomatous destruction of small-medium sized intrahepatic bile ducts (progressive ductopenia) eventually leading to chronic cholestasis & symptoms of cirrhosis & portal HTN.
Ass:
females around 40yrs old & often associated with autoimmune conditions.
Signs:
1) Obstructive jaundice
2) Pale stool
3) dark urine
4) Hepatomegaly
5) RUQ discomfort
6) Splenomegaly
7) Hyperpigmentation
8) Xanthomas and xanthelasma
Labs:
Anti-mitochondrial antibodies
↑ ALP, ↑ GGT, ↑ direct bilirubin
↑ IgM
hypercholesterolemia
Comps:
Cirrhosis & portal HTN
Osteoporosis
Describes which condition?
Primary biliary cirrhosis
What are the differentials used to differentiate Primary biliary cirrhosis & Primary sclerosing cholangitis?
- Antibodies
- Key symptoms
- Complications
PBC:
Labs:
AMA-ME (anti-mitochondrial antibodies)
Signs:
1) Xanthomas/dyslipidemia
2) Pruritis
Comp:
Osteoporosis, cirrhosis, & portal HTN
PSC:
Labs:
P-ANCA +ve
Ass: Ulcerative colitis
Signs: Acute cholangitis
Comp:
Risk of cholangiocarcinoma