1)Bosman FT, Carneiro F, Hruban RH, et al:WHO classification of the digestive system, 4th ed. Lyon, IARC, 2010
2)Ohtsuka M, Kimura F, Shimizu H, et al:Similarities and differeces between intraductal papillary tumors of the bile duct with and without macroscopically visible mucin secretion. Am J Surg Pathol 35:512-521, 2011
3)Chen TC, Nakanuma Y, Zen Y, et al:Intraductal papillary neoplasia of the liver associated with hepatolithiasis. Hepatology 34:651-658, 2001
4)Nakanuma Y, Sato Y, Ojima H, et al:Clinicopathological characterization of so-called “cholangiocarcinoma with intraductal papillary growth” with respect to “intraductal papillary neoplasm of bile duct(IPNB)”. Int J Clin Exp Pathol 7:3112-3122, 2014
5)Tsuyuguchi T, Sakai Y, Sugiyama H, et al:Endoscopic diagnosis of intraductal papillary mucinous neoplasm of the bile duct. J Hepatobiliary Pancreat Sci 17:230-235, 2010
6)Miyazaki M, Kimura F, Shimizu H, et al:Extensive hilar bile duct resection using a transhepatic approach for patients with hilar bile duct diseases. Am J Surg 196:125-129, 2008
7)Kubota K, Nakanuma Y, Kondo F, et al:Clinicopatholgical features and prognosis of mucin-producing bile duct tumor and mucinous cystic tumor of the liver:a multi-institutional study by the Japan Biliary Association. J Hepatobiliary Pancreat Sci 21:176-185, 2014
8)Jung G, Park KM, Lee SS, et al:Long-term clinical outcome of the surgically resected intraductal papillary neoplasm of the bile duct. J Hepatol 57:787-793, 2012
9)Onoe S, Shimoyama Y, Ebata T, et al:Prognostic delineation of papillary cholangiocarcinoma based on the invasive proportion:a single-institution study with 184 patients. Surgery 155:280-291, 2014