volume 28, issue 9, P1249-1264 2015
DOI: 10.1038/modpathol.2015.61
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Has erratum 2015-12-30
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Anna Melissa Schlitter, Kee-Taek Jang, Günter Klöppel, Burcu Saka, Seung-Mo Hong, Hyejeong Choi, George Johan Offerhaus, Ralph H Hruban, Yoh Zen, Björn Konukiewitz, Ivonne Regel, Michael Allgäuer, Serdar Balci, Olca Basturk et al.

Abstract: Intraductal tubulopapillary neoplasm is a well-established entity in the pancreas. A similar, if not identical, tumor occurs also in the biliary tract. We conducted a multicenter study of 20 such lesions, focusing on their clinicopathologic characteristics and molecular profile. Biliary intraductal tubulopapillary neoplasms were seen in patients in their 60s (mean 62 years). The tumors were intrahepatic 70%, extrahepatic 10%, and perihilar 20%; mean tumor size was 6.9 cm. Histologically, all intraductal tubul…

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