Endoscopic retrograde cholangiography does not reliably distinguish IgG4-associated cholangitis from primary sclerosing cholangitis or cholangiocarcinoma.

@article{Kalaitzakis2011EndoscopicRC,
  title={Endoscopic retrograde cholangiography does not reliably distinguish IgG4-associated cholangitis from primary sclerosing cholangitis or cholangiocarcinoma.},
  author={Evangelos Kalaitzakis and Michael J. Levy and Terumi Kamisawa and Gavin James Johnson and Todd Huntley Baron and Mark D. Topazian and Naoki Takahashi and Atsushi Kanno and Kazuichi Okazaki and Naoto Egawa and Kazushige Uchida and Kashif Sheikh and Zahir Amin and Tooru Shimosegawa and Neomal S. Sandanayake and Nicholas I. Church and Michael Huw Chapman and Stephen P. Pereira and Suresh T. Chari and George J. M. Webster},
  journal={Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association},
  year={2011},
  volume={9 9},
  pages={800-803.e2}
}
BACKGROUND & AIMS Distinction of immunoglobulin G4-associated cholangitis (IAC) from primary sclerosing cholangitis (PSC) or cholangiocarcinoma is challenging. We aimed to assess the performance characteristics of endoscopic retrograde cholangiography (ERC) for the diagnosis of IAC. METHODS Seventeen physicians from centers in the United States, Japan, and the United Kingdom, unaware of clinical data, reviewed 40 preselected ERCs of patients with IAC (n = 20), PSC (n = 10), and… CONTINUE READING
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