Diagnostic procedure in which a small liver tissue sample is taken under ultrasound guidance for definitive diagnosis of liver disease, fibrosis staging and treatment planning.
Indication
- Unexplained chronic elevation of liver enzymes
- Chronic viral hepatitis (B or C) — fibrosis staging
- Autoimmune liver diseases such as autoimmune hepatitis and primary biliary cholangitis
- Determination of fibrosis grade in fatty liver disease (NAFLD/NASH)
- Diagnosis of a mass or focal lesion in the liver
- Rejection assessment after liver transplantation
- Confirmation of metabolic disorders such as Wilson disease and hemochromatosis
Preparation
- No food or drink for 6-8 hours before the procedure
- Blood thinners (aspirin, warfarin, clopidogrel) are stopped 5-7 days in advance with physician guidance
- Coagulation tests (INR, aPTT, platelet count) are performed; platelet or fresh plasma support is provided if needed
- An IV line is placed; preparation is made for analgesia and mild sedation
- Informed consent is obtained; transport home with a companion is planned
How it's performed
- The patient is placed supine with the right arm raised over the head
- A suitable entry point is identified with ultrasound and the skin is sterilized
- Local anesthetic is applied to the skin and subcutaneous tissue
- While the patient holds an exhaled breath, a fine (tru-cut) needle is used to obtain a small tissue sample
- Usually 1-2 samples are taken; if needed, samples may also be obtained from different areas
- A pressure dressing is placed on the entry site and the patient is positioned on the right side
Post-procedure
- The patient stays under hospital observation for 4-6 hours after the procedure; bleeding and blood pressure are monitored
- Heavy lifting, exercise and blood thinners such as aspirin are avoided for the first 24 hours
- Mild right shoulder or flank pain may be felt on the first day and is controlled with simple analgesics
- The pathology result is usually available within 7-10 days and treatment is planned accordingly
- If severe pain, weakness or fever develops, the hospital should be contacted immediately
Risks
- Mild to moderate temporary right upper abdominal or shoulder pain (most common, 20-30%)
- Small bleeding or hematoma at the entry site
- Significant bleeding (may require blood transfusion, less than 1%)
- Bile leakage or cholangitis (rare)
- Pneumothorax, lung injury (very rare)
- Anesthesia/sedation reaction
FAQ
Will I feel pain during the procedure?
Local anesthesia numbs the skin and subcutaneous tissue, and with sedation the patient is comfortable. A brief sensation of pressure may occur at the time of needle insertion; right shoulder or flank pain afterwards usually resolves within 24 hours.
Can I be discharged on the same day?
Yes. After 4-6 hours of observation and provided there is no complication, same-day discharge is possible; however, you should remain with a companion for the first 24 hours.
When are the results available?
The pathology report is generally ready within 7-10 working days. If special staining is required, this period may extend to 2-3 weeks.
Are there alternatives to biopsy?
For liver fibrosis, non-invasive tests such as Fibroscan or MR elastography may be used; however, biopsy remains the reference standard in the diagnosis of autoimmune, metabolic and focal diseases.
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