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Alcoholic liver disease

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Alcoholic_hepatitis.jpg|
Alcoholic liver disease
ICD-10 K70
ICD-9 571.1
OMIM [1]
DiseasesDB [2]
MedlinePlus 000281
eMedicine /
MeSH {{{MeshNumber}}}


Alcoholic liver disease is the major cause of liver disease in Western countries, (in Asian countries, viral hepatitis is the major cause). It arises from the excessive ingestion of alcohol.

PathophysiologyEdit

File:Pathogenesis alcoholic liver injury.jpg

Fatty change and alcoholic hepatitis are probably reversible. The later stages of fibrosis and cirrhosis tend to be irreversible but can usually be quite well managed for long periods of time.

Fatty changeEdit

Main article: Fatty liver

Fatty change, or steatosis is the accumulation of fat in liver cells which can be seen as fatty globules under the microscope. Alcoholism causes large fatty globules (macrovesicular steatosis). Small fatty globules have different causes. Other causes of macrovesicular steatosis include diabetes, obesity and starvation. Alcoholic fatty change is probably dose related.

Alcoholic hepatitisEdit

Main article: Alcoholic hepatitis

Some people get an acute hepatitis or inflammatory reaction to the cells affected by fatty change. This is not directly related to the dose of alcohol. Some people seem more prone to this reaction than others. This is called alcoholic steatonecrosis and the inflammation probably predisposes to liver fibrosis.

Alcohol psychology
Brain animated color nevit

Alcohol use
Alcohol abuse
Alcohol consumption and health
Treatment of alcohol problems


Cirrhosis Edit

Main article: cirrhosis

Cirrhosis is a late stage of liver disease marked by fibrosis and altered liver architecture. It is often progressive and may eventually lead to liver failure. Late complications of cirrhosis or liver failure include portal hypertension, coagulation disorders, ascites and other complications including hepatic encephalopathy and the hepatorenal syndrome.

Cirrhosis also has number of other causes, such as hepatitis and toxins. The late stages of cirrhosis (say from viral hepatitis or alcohol) may look similar. This phenomenon is termed a "final common pathway" for a disease.

References Edit

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