A liver biopsy involves inserting a needle between the ribs to
collect a small sample of liver tissue. Samples of liver tissue can then be
examined under a microscope to further check a suspected or known liver
A liver biopsy may be done after other tests have failed to provide
a clear diagnosis or determine the severity of a liver problem. It can also be
used to monitor certain forms of liver disease, such as hepatitis C. A liver
biopsy can reveal long-term inflammation (chronic hepatitis), scar tissue
formation (cirrhosis), or cancer.