1. Albores-Saavedra J, Scoazec JC, Wittekind C, et al. Carcinoma of the gallbladder and extrahepatic bile ducts. In: Hamilton SR, Aaltonen LA, editors., et al., World health organization classification of tumors. Pathology and genetics of tumors of the digestive system. Lyon: IARC Press; 2000. p. 206–14.
2. Albores-Saavedra J, Henson DE, Klimstra DS. Tumor of the gallbladder, extrahepatic bile ducts, and ampulla of Vater. Atlas of tumor pathology. Third series fascicle 27. Washington, DC: Armed Forces Institute of Pathology; 2000. p. 191–215.
3. Kagami A, Nikaidou T, Miyairi M, et al. An autopsy of pseudo sarcoma of the common bile duct. J Gastroenterol. 1994;29:525–30.
4. Nonomyra A, Mizukami Y, Matsubara F, et al. A case of choledochal cyst associated with adenocarcinoma exhibiting sarcomatous features. J Gastroenterol. 1994;29:669–75.
5. Yuan CY, Lo HW, Tseng CH, et al. A case of spindle cell sarcomatous change of hepatic ducts manifesting as obstructive jaundice. J Gastroenterol. 1995;30:264–7.