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Imaging-guided Parenchymal Liver Biopsy: How We Do It.
Gopal R Vijayaraghavan1, Sheehan David, Myriam Bermudez-Allende
1Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA.
Journal of Clinical Imaging Science
|October 4, 2011
Summary
Ultrasound-guided liver biopsies are crucial for diagnosing diffuse liver disease. Our institution
Area of Science:
- Hepatology
- Radiology
- Interventional Radiology
Background:
- Parenchymal liver biopsy is essential for diagnosing diffuse liver dysfunction, grading disease severity, and guiding treatment.
- Imaging guidance is becoming standard for liver biopsies, with ultrasound (US) being cost-effective and safe.
Purpose of the Study:
- To describe the institutional algorithm for percutaneous US-guided parenchymal liver biopsy.
- To propose a revised training benchmark for radiology trainees performing liver biopsies.
Main Methods:
- Percutaneous liver biopsies performed under ultrasound guidance.
- Use of cutting needles, with variations in needle size and technique.
- Biopsies performed on either the right or left lobe based on radiologist preference.
Main Results:
- Ultrasound guidance is the preferred method for parenchymal liver biopsies due to its safety and cost-effectiveness.
- Radiologist preferences for specific techniques are influenced by training and experience.
Conclusions:
- A standardized algorithm for US-guided liver biopsy ensures consistent and safe procedures.
- A revised training requirement of 20 supervised liver biopsies is proposed as adequate for radiology trainees.
- This approach aims to optimize training for interventional radiology careers.
