Semin Liver Dis 2007; 27(2): 161-172
DOI: 10.1055/s-2007-979469
Copyright © 2007 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA.

Interpreting Serological Tests in Diagnosing Autoimmune Liver Diseases

Pietro Invernizzi1 , Ana Lleo1 , Mauro Podda1
  • 1Division of Internal Medicine and Liver Unit, San Paolo Hospital School of Medicine, University of Milan, Milan, Italy
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Publikationsverlauf

Publikationsdatum:
22. Mai 2007 (online)

ABSTRACT

Autoimmune liver diseases (ALD) are characterized by immune-mediated injury of bile ducts or hepatocytes, thus including cholangiopathies such as primary biliary cirrhosis (PBC), primary sclerosing cholangitis, and autoimmune hepatitis. Further, ALD variants manifesting with both hepatocellular and cholangiocellular damage are becoming more common. Serum autoantibodies, together with imaging and histology, are critical to the diagnostic process when ALD is suspected. Because an early diagnosis can influence prognosis, the development of sensitive and specific tests for serum autoantibodies should be a priority for researchers to ensure a more efficient noninvasive workup. Little prognostic value has been observed for any of the ALD serum hallmarks, and a vigorous effort to investigate new and old markers should therefore be undertaken in longitudinal studies as in the recent paradigm of PBC-specific antinuclear antibodies. We review herein the numerous ALD screening tests available in routine and specialized laboratories and comment on their significance in clinical practice.

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Pietro InvernizziM.D. Ph.D. 

Division of Internal Medicine and Liver Unit, San Paolo Hospital School of Medicine, University of Milan

Via di Rudinì 8, 20142 Milano, Italy

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