Cirrhosis

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Cirrhosis is a potentially life-threatening condition that occurs when inflammation and scarring damage the liver. A physical exam and medical history will be done first to assess symptoms of liver disease, to see whether liver disease is severe enough to cause signs of cirrhosis, and to help find out possible causes of liver damage.

A combination of tests may be used to diagnosis cirrhosis when a physical exam and medical history suggest that the condition may be present. Blood tests may help your doctor check for inflammation of the liver, assess liver function, and diagnose the cause of cirrhosis. Other tests provide images of the liver to look for tumors and blocked bile ducts and can be used to evaluate liver size and blood flow through the liver.

Liver biopsy, in which a sample of liver tissue is removed and analyzed, also may be done. It is the only test that can confirm a diagnosis of cirrhosis.

Blood tests that assess liver function

Measuring the levels of certain chemicals produced by the liver can help evaluate remaining liver function. Blood tests may be used to measure:

Blood tests for inflammation of the liver

Blood tests may be done to look at levels of liver enzymes. These tests can help show whether there is ongoing liver inflammation, although some people with cirrhosis have normal liver enzymes. The blood tests include:

  • Aspartate aminotransferase (AST). An increased AST level (also called SGOT) may indicate injury to the liver and the death of liver cells.
  • Alanine aminotransferase (ALT). An increased ALT level (also called SGPT) also may indicate injury to the liver and the death of liver cells.
  • Lactate dehydrogenase (LDH). An increased LDH level also may indicate injury to the liver and the death of liver cells.
  • Alkaline phosphatase (ALP). An increased ALP level may indicate blockage of bile ducts.
  • Gamma-glutamyl transpeptidase (GGT). An increased level of GGT is seen with alcohol use or diseases of the bile ducts. The level of GGT also may increase with the use of certain medicines, such as dilantin and phenobarbital. But GGT may increase without inflammation.

Blood tests that may diagnose a cause of cirrhosis

Tests that may be done to check for conditions that may cause cirrhosis include:

Tests that provide an image of the liver

Imaging tests can check for tumors and blocked bile ducts and can be used to evaluate liver size and blood flow through the liver. These tests include:

Other tests

Other tests also may be done to confirm a diagnosis of cirrhosis or to look for possible complications. These include:

  • Liver biopsy, the only test that can directly confirm a diagnosis of cirrhosis. Examination of liver tissue also may reveal signs of inflammation. A liver biopsy may be done by inserting a needle between two of the right lower ribs to remove a sample of liver tissue. The tissue sample is then analyzed.
  • Paracentesis, to help diagnose the cause of fluid buildup in the abdominal cavity (ascites) or to detect infection in the abdominal fluid (spontaneous bacterial peritonitis). Paracentesis is a procedure in which a needle is inserted through the abdominal wall to remove fluid from the abdominal cavity. The fluid can then be analyzed.
  • Endoscopy, to look for enlarged veins (varices) in the digestive tract that could cause variceal bleeding. Endoscopy allows a doctor to examine the inside of organs, canals, and cavities in the body using a thin, flexible, lighted viewing instrument called an endoscope.
  • Endoscopic retrograde cholangiopancreatogram (ERCP), to look inside the tubes (bile ducts) that drain the liver, pancreas, and gallbladder. ERCP may be done if your doctor thinks a condition called primary sclerosing cholangitis (PSC) might be leading to your liver problems.
  • Alpha-fetoprotein (AFP) testing, to screen for cancer of the liver (hepatocellular carcinoma). This is a blood test.
  • Ammonia testing, to look for excess ammonia in the blood, which can cause altered brain function (encephalopathy).
By: Healthwise StaffLast Revised: August 10, 2010
Medical Review: Kathleen Romito, MD - Family Medicine
W. Thomas London, MD - Hepatology

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