5Tamada K, Kanai N, Wada S, et al. Utility and limitations of intraductal ultrasonography in distinguishing longitudinal cancer extension along the bile duct from inflammatory wall thickening [J]. Abdom Imaging,2001,26(6) :623-631.
6Tillich M, Mischinger HJ, Preisegger KH, et al. Mutiphasic helical CT in diagnosis and staging of hilar cholangiocarcinoma [J ]. Ann J Roentgenol, 1998,171(3):651-658.
7Feydy A, Vilgrain V, Denys A, et al. Helical CT assessmetnt in hilar cholangiocarcinoma: correlation with surgical and pathologic findings[J]. AJR, 1999, 127(1) :73-77.
8Park SJ, Han JK, Kim TK, et al. Three-dimensional spiral CT cholangiography with minim intensity projection in patients with suspected obstructive biliary diease : comparison with percutaneous transhepatic cholangiography [J]. Abdom Imaging, 2001,26(3):281-286.
9Xu AM, Cheng HY, Jiang WB, et al. Multi-Slice three-dimensional spiral CT cholangiography:a new technique for diagnosis of biliary diseases [J]. Hepatobiliary Pancreat Dis Int, 2002, 1 (4) : 595 - 603.
10Manfredi R, Brizi MG, Masselli G, et al. Malignant biliary stenosis:MR cholangiography compared with direct cholangiography [J]. Radiol Med, 2001, 102 (1):48-54.
