Liver biopsy

Liver biopsy is a medical procedure that involves taking a small sample of liver tissue for examination. It is typically performed to diagnose and monitor liver disease, or to assess the severity of known liver disease.

Procedure

A liver biopsy is usually performed by a specialist doctor. The patient is typically awake during the procedure, but local anesthesia is used to numb the area where the needle will be inserted. The doctor uses imaging guidance (such as ultrasound or CT scan) to help guide the needle to the right place in the liver. The needle is quickly inserted and removed, capturing a small sample of liver tissue. The procedure usually takes about 20 minutes.

Types of Liver Biopsy

There are three main types of liver biopsy:

• Percutaneous liver biopsy: This is the most common type of liver biopsy. The doctor inserts a needle through the skin and into the liver to remove a small sample of tissue.
• Transjugular liver biopsy: In this procedure, the doctor inserts a needle into a vein in the neck and guides it to the liver. This method is used when patients have blood clotting problems or excess fluid in the abdomen.
• Laparoscopic liver biopsy: This procedure is performed using a laparoscope, a thin tube with a camera on the end. The laparoscope is inserted through a small incision in the abdomen, and surgical tools are used to remove a sample of liver tissue.

Risks

While liver biopsy is generally safe, it does carry some risks. These include pain, bleeding, infection, and injury to other organs. In rare cases, complications can be serious or life-threatening.

After the Procedure

After a liver biopsy, patients are usually monitored for several hours to make sure there are no complications. They may experience some discomfort or pain at the biopsy site. Results from the biopsy are typically available within a few days.

See Also

• Liver disease
• Hepatitis
• Cirrhosis
• Liver cancer

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