Non-alcoholic fatty liver disease other diagnostic studies: Difference between revisions
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'''Editor in Chief''': Elliot Tapper, M.D., Beth Israel Deaconess Medical Center, [[User:C Michael Gibson |C. Michael Gibson, M.S., M.D.]] [mailto:charlesmichaelgibson@gmail.com] | '''Editor in Chief''': Elliot Tapper, M.D., Beth Israel Deaconess Medical Center, [[User:C Michael Gibson |C. Michael Gibson, M.S., M.D.]] [mailto:charlesmichaelgibson@gmail.com] | ||
==Overview== | ==Overview== | ||
A biopsy of the liver is still considered the gold standard in diagnosis. This is especially true for those patients with elevated liver enzymes for whom a non-invasive workup is inconclusive; 34% of these patients, in one series, were found to have NASH.<ref>Skelly et al. Findings on liver biopsy to investigate abnormal liver function tests in the absence of diagnostic serology. J Hepatol 2001;35:195-9 | |||
</ref> Classically, biopsy reveals macrovesicular steatosis, inflammation, ballooning degeneration, zone 3 perivenular/periportal/perisinusoidal fibrosis and, finally, mallory bodies.<ref>Angula P. Nonalcoholic Fatty Liver Disease. NEJM. 2002 346(16):1221-31</ref><ref>Brunt EM, Janney CG, Di Bisceglie AM et al. Nonalcoholic steatohepatitis: A proposal for grading and staging the histological lesions. Am. J. Gastroenterol. 1999; 94(9):2467-2474</ref> Unfortunately, however, a standard biopsy is only able to sample a volume that is 1/50,000th of the liver, underscoring substantial room for sampling error. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 19:23, 17 November 2012
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Editor in Chief: Elliot Tapper, M.D., Beth Israel Deaconess Medical Center, C. Michael Gibson, M.S., M.D. [1]
Overview
A biopsy of the liver is still considered the gold standard in diagnosis. This is especially true for those patients with elevated liver enzymes for whom a non-invasive workup is inconclusive; 34% of these patients, in one series, were found to have NASH.[1] Classically, biopsy reveals macrovesicular steatosis, inflammation, ballooning degeneration, zone 3 perivenular/periportal/perisinusoidal fibrosis and, finally, mallory bodies.[2][3] Unfortunately, however, a standard biopsy is only able to sample a volume that is 1/50,000th of the liver, underscoring substantial room for sampling error.
References
- ↑ Skelly et al. Findings on liver biopsy to investigate abnormal liver function tests in the absence of diagnostic serology. J Hepatol 2001;35:195-9
- ↑ Angula P. Nonalcoholic Fatty Liver Disease. NEJM. 2002 346(16):1221-31
- ↑ Brunt EM, Janney CG, Di Bisceglie AM et al. Nonalcoholic steatohepatitis: A proposal for grading and staging the histological lesions. Am. J. Gastroenterol. 1999; 94(9):2467-2474