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[Percutaneous liver biopsy. Overview of different techniques]
J Kettenbach1, M Blum, K El-RaBadi
1Klinische Abteilung für Angiographie und Interventionelle Radiologie, Universitätsklinik für Radiodiagnostik, Medizinische Universität Wien, Osterreich. joachim.kettenbach@univie.ac.at
Der Radiologe
|December 25, 2004
Summary
Image-guided liver biopsy is crucial for classifying liver tumors. Various imaging techniques, including ultrasound, CT, and MRI, offer safe and effective methods for accurate diagnosis and treatment planning.
Area of Science:
- Hepatobiliary imaging and intervention
- Interventional radiology
- Diagnostic pathology
Context:
- Percutaneous liver biopsy is essential for diagnosing liver tumors.
- Ultrasound (US)-guided biopsy is a primary, safe, and effective method.
- Lesion visibility and accessibility often dictate the choice of imaging guidance.
Purpose:
- To review the indications and techniques for image-guided liver biopsy.
- To compare different imaging modalities (US, CT, MRI) for liver lesion biopsy.
- To highlight the shift towards core biopsy for improved classification.
Summary:
- Ultrasound-guided biopsy is standard for liver lesions, with CT and MRI used when US is insufficient.
- Hepat-specific contrast agents can enhance delineation of tumor tissue.
- Transvenous biopsy is an alternative for diffuse liver disease when percutaneous biopsy is contraindicated.
- Coaxial core biopsy has largely replaced fine-needle aspiration, offering a safe and efficient method with low complication rates.
Impact:
- Provides a comprehensive overview of current image-guided biopsy techniques for liver lesions.
- Informs clinical decision-making regarding the optimal biopsy approach based on lesion characteristics.
- Emphasizes the safety and efficacy of modern core biopsy techniques in liver tumor classification.