Abstract
Liver biopsy continues to have a central role in the evaluation of patients with suspected liver disease. The procedure is often indicated to evaluate otherwise unexplained liver biochemical test abnormalities, but the precise degree of serum aminotransferase elevations that should prompt a liver biopsy is controversial, as is the need for liver biopsy in all patients with suspected nonalcoholic fatty liver disease and chronic hepatitis C. Standard liver biopsy is contraindicated in patients with severe coagulopathy and ascites, although the degree of coagulopathy that contraindicates a liver biopsy is controversial. A transjugular approach is an alternative in patients with coagulopathy or ascites. Controversy surrounds all the technical aspects of liver biopsy, particularly the choice of needle (cutting vs suction) and the use of ultrasound to mark or guide the biopsy site. Bleeding is the major complication of liver biopsy, with a risk of 0.3%; cutting needles are more likely to cause hemorrhage than are suction needles. Traditionally, liver biopsy has been the province of the hepatologist/ gastroenterologist. However, an increasing number of liver biopsies are performed by radiologists. The implications of this trend with respect to patient outcome, safety, and training of fellows is unclear.
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Friedman, L.S. Controversies in liver biopsy: Who, where, when, how, why?. Curr Gastroenterol Rep 6, 30–36 (2004). https://doi.org/10.1007/s11894-004-0023-4
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DOI: https://doi.org/10.1007/s11894-004-0023-4