options for liver biopsies - university of pretoria · options for liver biopsies dr.r.maharaj...
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OPTIONS FOR LIVER BIOPSIES
DR.R.MAHARAJ
DEPARTMENT OF SURGERY: UNIVERSITY OF PRETORIA
KALAFONG HOSPITAL
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INDICATIONS:
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EQUIPMENT:
• SUCTION NEEDLES (MENGHINI NEEDLE, KLATSKIN NEEDLE, JAMSHIDI NEEDLE)
• CUTTING NEEDLES (VIM-SILVERMAN NEEDLE, TRUCUT NEEDLE)
• SPRING-LOADED CUTTING NEEDLES THAT HAVE TRIGGERING MECHANISMS (MICROVASIVE)
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• PERCUTANEOUS
• LAPAROSCOPIC
• OPEN
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PERCUTANEOUS:
• COMMONLY EMPLOYED OPTION
• BLIND BIOPSY
• ULTRASOUND GUIDED (CONTRAST ENHANCED)
• REAL TIME
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PALPATION-PERCUSSION:
“Blind” liver biopsies should be performed by experienced gastroenterologists, hepatologists, or transplantation surgeons and not by general internists.
Garcia-Tsao G, Boyer JL. Outpatient liver biopsy: how safe is it? Ann Intern Med1993;118:150-153
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ULTRASOUND:
- Ultrasound changed management 15.1% of patients. Riley TR 3rd :Am J Gastroenterol. 1999;94(11):3320.
- The use of ultrasonography for guidance of percutaneous liver biopsy will lead to a lower rate of complications. The value of this benefit must be weighed against the added cost of ultrasonographic guidance.
Lindor KD et al: Hepatology. 1996;23(5):1079.
- Routine ultrasound of the puncture site is a quick method of assessment, allowing one to increase the diagnostic yield of percutaneous liver biopsy and to maintain low complication rates for such a procedure.
Caturelli E Am J Gastroenterol. 1996;91(7):1318 et al:
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LAPAROSCOPIC:
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LAPAROSCOPIC
• DIRECT VISUALISATION
• IMMEDIATE HAEMOSTATIC CONTROL
• IDENTIFICATION OF OTHER LESIONS
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LAPAROSCOPIC:
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OPEN:
- NOT COMMON
- USUALLY PART OF OPEN SURGERY FOR OTHER REASONS
- INCIDENTAL FINDING
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CONCLUSION
• THE USE OF LIVER BIOPSY TO OBTAIN TISSUE FOR HISTOLOGICAL INTERPRETATION IS A LONG STANDING PILLAR OF THE PRACTICE AND SCIENCE OF HEPATOLOGY AND REMAINS A STANDARD FOR DIAGNOSIS AND TREATMENT TO WHICH NUMEROUS OTHER TESTS ARE HELD.
Rocky et al: Hepatology ,Vol. 49,No. 3, 2009