honeypot link
skip to main content
Professional
Consumer
MSD Manual
Professional Version
MEDICAL TOPICS
RESOURCES
COMMENTARY
PROCEDURES
QUIZZES
ABOUT US
MEDICAL TOPICS
RESOURCES
<
Medical Topics
Hepatology
Expand all
Collapse all
Approach to the Patient With Liver Disease
Metabolic Dysfunction–Associated Liver Disease (MASLD)
References
Pathophysiology
Pathophysiology references
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Diagnosis references
More Information
Treatment
Treatment references
Prognosis
Prognosis references
Key Points
Evaluation of the Patient With a Liver Disorder
History
Physical examination
Testing
Acute Liver Failure
General reference
Etiology
Etiology reference
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Symptoms and signs references
Diagnosis
Diagnosis references
Treatment
Treatment references
Prognosis
Prognosis references
Key Points
Spontaneous Bacterial Peritonitis (SBP)
References
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Liver Structure and Function
Overview of liver structure
Overview of bilirubin metabolism
Other liver functions
Pathophysiology
Ascites
Etiology
Etiology reference
Pathophysiology
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Treatment references
Key Points
Jaundice
Pathophysiology
Mechanisms of hyperbilirubinemia
Consequences
Etiology
Evaluation
History
Physical examination
Red flags
Interpretation of findings
Testing
Treatment
Geriatrics Essentials: Jaundice
Key Points
Inborn Metabolic Disorders Causing Hyperbilirubinemia
Gilbert Syndrome
Gilbert syndrome references
Crigler-Najjar Syndrome
Dubin-Johnson Syndrome and Rotor Syndrome
Dubin-Johnson syndrome
Rotor syndrome
Primary Shunt Hyperbilirubinemia
Portal Hypertension
Etiology
Etiology reference
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Prognosis
Prognosis references
Key Points
Portosystemic Encephalopathy
Etiology
Precipitants
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Prognosis
Key Points
Systemic Abnormalities in Liver Disease
Circulatory Abnormalities
Endocrine Abnormalities
Hematologic Abnormalities
Renal and Electrolyte Abnormalities
Hepatorenal syndrome
Renal and electrolyte abnormalities reference
Pulmonary Abnormalities
Pulmonary abnormalities references
The Asymptomatic Patient With Abnormal Liver Test Results
Aminotransferases
Alkaline phosphatase
Bilirubin
Postoperative Liver Dysfunction
Postoperative jaundice
Postoperative hepatitis
Postoperative cholestasis
Testing for Hepatic and Biliary Disorders
Laboratory Tests of the Liver and Gallbladder
Tests for Liver Injury
Aminotransferases
Lactate dehydrogenase (LDH)
Tests for liver injury reference
Tests for Cholestasis
Bilirubin
Alkaline phosphatase (ALP)
Gamma–glutamyl transpeptidase (GGT)
5′-Nucleotidase
Tests for cholestasis references
Tests of Hepatic Synthetic Function
Prothrombin time (PT) and international normalized ratio (INR)
Serum proteins
Tests of hepatic synthetic function references
Other Laboratory Tests
Ammonia
Serum immunoglobulins
Antimitochondrial antibodies
Other antibodies
Alpha-fetoprotein (AFP)
Tests for hepatic fibrosis
Other laboratory tests references
Imaging Tests of the Liver and Gallbladder
Ultrasound
Doppler ultrasound
Computed tomography (CT)
Magnetic resonance imaging (MRI)
Endoscopic retrograde cholangiopancreatography (ERCP)
Percutaneous transhepatic cholangiography (PTC)
Intraoperative cholangiography
Cholescintigraphy
Radionuclide liver scanning
Plain radiograph of the abdomen
References
Liver Biopsy
Indications
Contraindications
Other routes
References
Alcohol-Related Liver Disease
Alcohol-Related Liver Disease
References
Risk Factors
Quantity of alcohol
Sex
Genetic factors
Nutrition or obesity
Other factors
Risk factors references
Pathophysiology
Alcohol absorption and metabolism
Hepatic fat accumulation
Endotoxins in the gut
Oxidative damage
Resultant inflammation, cell death, and fibrosis
Pathophysiology references
Pathology
Symptoms and Signs
Symptoms and signs references
Diagnosis
Diagnosis references
Treatment
Restricting alcohol intake
Supportive care
Specific treatment
Treatment references
Prognosis
Prognosis references
Key Points
Drugs and the Liver
Effects of Liver Disease on Drug Metabolism
Liver Injury Caused by Drugs
References
Pathophysiology
Patterns of liver injury
Pathophysiology references
Diagnosis
Diagnosis references
Treatment
Prevention
Key Points
Fibrosis and Cirrhosis
Liver Transplantation
Liver donors
Organ distribution
General references
Procedure
Procedure references
Complications
Rejection
Hepatitis recurrence after transplantation
Other complications
Complications references
Prognosis
Prognosis references
Primary Biliary Cholangitis (PBC)
Etiology
Etiology references
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Diagnosis references
Treatment
Treatment references
Prognosis
Prognosis references
Key Points
Hepatic Fibrosis
Etiology
Etiology reference
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Treatment references
Key Points
Cirrhosis
General reference
Etiology
Etiology references
Pathophysiology
Complications
Histopathology
Pathophysiology references
Symptoms and Signs
Diagnosis
General approach
Laboratory tests
Diagnostic imaging
Identification of the cause
Liver biopsy
Monitoring
Diagnosis references
Estimating Disease Severity
Child-Turcotte-Pugh classification for severity of liver disease
Model for end-stage liver disease (MELD) 3.0
Pediatric end-stage liver disease (PELD) score
Estimating disease severity references
Treatment
Treatment references
Prognosis
Prognosis references
Key Points
Gallbladder and Bile Duct Disorders
IgG4-Related Sclerosing Cholangitis
General references
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Treatment references
Key Points
Overview of Biliary Function
Cholelithiasis
General references
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Diagnosis reference
Treatment
Surgery
Stone dissolution
Treatment references
Prognosis
Prognosis references
Key Points
Acalculous Biliary Pain
General reference
Diagnosis
Functional disorders causing acalculous biliary pain
Diagnosis references
Treatment
Treatment reference
Choledocholithiasis and Cholangitis
General references
Diagnosis
Treatment
Treatment references
Key Points
Sclerosing Cholangitis
Reference
HIV-related Cholangiopathy
Reference
Diagnosis
Diagnosis reference
Treatment
Treatment reference
Tumors of the Gallbladder and Bile Ducts
General references
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Treatment references
Key Points
Acute Cholecystitis
Acute acalculous cholecystitis
General references
Symptoms and Signs
Complications
Acute acalculous cholecystitis
Symptoms and signs references
Diagnosis
Acute acalculous cholecystitis
Diagnosis reference
Treatment
Treatment references
Key Points
Chronic Cholecystitis
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Postcholecystectomy Syndrome
General references
Diagnosis
Diagnosis reference
Treatment
Treatment reference
Primary Sclerosing Cholangitis (PSC)
Reference
Etiology
Etiology references
Symptoms and Signs
Symptoms and signs references
Diagnosis
Diagnosis references
Treatment
Monitoring and surveillance
Treatment references
Key Points
Hepatitis
Fulminant Hepatitis
Symptoms and Signs
Diagnosis
Treatment
Hepatitis A
General references
Symptoms and Signs
Diagnosis
Other tests
Treatment
Prevention
Vaccination
Postexposure prophylaxis
Prevention reference
Key Points
More Information
Hepatitis B, Acute
Transmission of hepatitis B
General reference
Symptoms and Signs
Diagnosis
Other tests
Treatment
Prevention
Vaccination
Postexposure prophylaxis
Key Points
More Information
Hepatitis B, Chronic
General references
Symptoms and Signs
Diagnosis
Other tests
Screening for complications
Diagnosis reference
Treatment
Treatment references
Key Points
More Information
Hepatitis C, Acute
Transmission of hepatitis C
General reference
Symptoms and Signs
Diagnosis
Other tests
Treatment
Treatment reference
Prevention
Prevention reference
Key Points
More Information
Hepatitis C, Chronic
General references
Symptoms and Signs
Screening
Screening reference
Diagnosis
Other tests
Screening for complications
Treatment
Overview of HCV treatment
Treatment references
Prognosis
Prognosis references
Key Points
More Information
Hepatitis D
Symptoms and Signs
Diagnosis
Treatment
Prevention
Key Points
Hepatitis E
Reference
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Prevention
Key Points
Causes of Hepatitis
Common Causes
Less Common Causes
General reference
Overview of Acute Viral Hepatitis
Etiology
Symptoms and Signs
Diagnosis
Initial diagnosis of acute hepatitis
Serology
Biopsy
Treatment
Treatment reference
Prevention
General measures
Immunoprophylaxis
Key Points
Overview of Chronic Hepatitis
Etiology
Common causes
Less common causes
Etiology references
Classification
Symptoms and Signs
Diagnosis
Liver tests
Other laboratory tests
Biopsy
Screening for complications
Diagnosis references
Treatment
General treatment
Chronic hepatitis B and C
Metabolic dysfunction-associated steatohepatitis (MASH)
Autoimmune hepatitis
Hereditary hemochromatosis
Prognosis
Key Points
More Information
Liver Masses and Granulomas
Hepatic Cysts
Reference
Benign Liver Tumors
Hepatocellular Adenoma
References for hepatocellular adenoma
Focal Nodular Hyperplasia
Focal nodular hyperplasia reference
Hemangiomas
References for hemangiomas
Other Benign Tumors
Hepatic Granulomas
Etiology
Etiology references
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Prognosis
Key Points
Vascular Disorders of the Liver
Hepatic Artery Aneurysms
Reference
Ischemic Cholangiopathy
Etiology
Symptoms and Signs
Diagnosis
Treatment
Sinusoidal Obstruction Syndrome
Etiology
Symptoms and Signs
Diagnosis
Treatment
Treatment references
Overview of Vascular Disorders of the Liver
Reference
Ischemic Hepatitis
Etiology
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Congestive Hepatopathy
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Hepatic Artery Occlusion
Symptoms and Signs
Diagnosis
Treatment
Budd-Chiari Syndrome
Etiology
Etiology reference
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Prognosis
Key Points
Portal Vein Thrombosis
Etiology
Etiology reference
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Treatment references
Key Points
Peliosis Hepatis