5Pedrazzoli s,Beger HG,Obertop H,et al.A surgical and pathological based classification of resective treatment of pancreatic eancer[J].Gig SLug,1999,16(4):337-345.
6Yeo CJ,Cameron JL,Lilhmoe KD,et al.Pancreaticeduedenectomy with or without distal gastrectomy and extended retroperitoneal lymphadenectomy for periampullary adenoeareinoma,part 2:randomized controlled trial evaluating survival,morbidity,and mottality[J].Ann Surg,2002,236(3):355-368.
7Nagino M,Nimura Y.Dose"extended"surgexy for pancreatic llead adenocarcinonm have survival impact?[J].Nippon Geka Gakkai Zasshi,2006,107/(4):173-176.
8Janes RH,Niederhuber JE,Chmiel JS,et al.National patterns of carefor pancrelatic cancer:results of a survey bythe commission on earlcer[J].Ann Surg,1996,223(3):261-272.
2Takahashi T, Ishikura H, Kato H, et al. Intra-pancreatic,extra-tumoral perineural invasion (nex). An indicator for the presence of retroperitoneal neural plexus invasion by pancreas carcinoma[J]. Acta Pathol Jpn, 1992,42(2):99-103.
3Hirai I, Kimura W, Ozawa K, et al. Perineural invasion in pancreatic cancer[J]. Pancreas, 2002,24(1) : 15-25.
4Nakao A, Harada A, Nonami T, et al. Clinical significance of carcinoma invasion of the extrapancreatic nerve plexus in pancreatic cancer [J]. Pancreas, 1996,12(4):357-361.
5Kayahara M, Nagakawa T, Futagami F, et al. Lymphatic flow and neural plexus invasion associated with carcinoma of the body and tail of the pancreas [J]. Cancer,1996,78 (12): 2485 -2491.
6Ozaki H, Hiraoka T, Mizumoto R, et al. The prognostic significance of lymph node metastasis and intrapancreatic perineural invasion in pancreatic cancer after curative resection[J]. Surg Today, 1999,29(1):16-22.
7Bockman DE, Buchler M, Beger HG. Interaction of pancreatic ductal carcinoma with nerves leads to nerve damage[J]. Gastroenterology, 1994,107(1):219-230.
8Kameda K, Shimada H, Ishikawa T, et al. Expression of highly polysialylated neural cell adhesion molecule in pancreatic cancer neural invasive lesion[J]. Cancer Lett,1999,137(2): 201-207.
9Tezel E, Kaneko T, Sugimoto H, et al. Clinical significance of intraportal endovascular ultrasonography for the diagnosis of extrapancreatic nerve plexus invasion by pancreatic carcinoma[J]. Pancreatology, 2004,4(2): 76-81.
10Suwa H, Hosotani R, Kogire M, et al. Detection of extrapancreatic nerve plexus invasion of pancreatic adenocarcinoma. Cytokeratin 19 staining and K-ras mutation [J].Int J Pancreatol, 1999,26(3): 155-162.
7:Iqbal N,Lovegroveb RE, Tilneyb HS. A comparison of pancreaticoduodenectomy with extended pancreaticoduodenectomy: A meta-analysis of 1909 patients[J]. Eur J Surg Oncol, 2008,34 ( 11 ) :1237-1245.