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International Journal of Rheumatology
Volume 2013 (2013), Article ID 465428, 5 pages
http://dx.doi.org/10.1155/2013/465428
Clinical Study

Capability and Limitations of Recent Diagnostic Criteria for Autoimmune Pancreatitis

1Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, Japan
2Department of Endoscopy, Tokyo Metropolitan Komagome Hospital, Tokyo 113-8677, Japan

Received 13 March 2013; Revised 4 September 2013; Accepted 8 September 2013

Academic Editor: John H. Stone

Copyright © 2013 Taku Tabata et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Because a diagnostic serological marker is unavailable, autoimmune pancreatitis (AIP) is diagnosed based on unique features. The diagnostic capabilities and potential limitations of four sets of diagnostic criteria for AIP (Japanese diagnostic criteria 2006 and 2011, Asian diagnostic criteria, and international consensus diagnostic criteria (ICDC)) were compared among 85 patients who were diagnosed AIP according to at least one of the four sets. AIP was diagnosed in 87%, 95%, 95%, and 95% of the patients according to the Japanese 2006, Asian, ICDC, and Japanese 2011 criteria, respectively. The ICDC can diagnose types 1 and 2 AIP independently and show high sensitivity for diagnosis of AIP. However, as the ICDC are rather complex, diagnostic criteria for AIP should perhaps be revised and tailored to each country based on the ICDC.