| 1. | Cruveilhier J. Maladies des Nerfs:anatomie Pathologique du Corp Humain[M]. 2nd ed. Paris:Bailliere JB, 1835:1835-1842. | 
				                                                        
				                                                            
				                                                                | 2. | Bilici A, Seker M, Ustaalioglu BB, et al. Prognostic significance of perineural invasion in patients with gastric cancer who underwent curative resection[J]. Ann Surg Oncol, 2010, 17(8):2037-2044. | 
				                                                        
				                                                            
				                                                                | 3. | Liebig C, Ayala G, Wilks J, et al. Perineural invasion is an indep-endent predictor of outcome in colorectal cancer[J]. J Clin Oncol,. | 
				                                                        
				                                                            
				                                                                | 4. | Saadat S, Barghouth I, Kazzazi A, et al. Risk factors associatedwith perineural invasion in prostate cancer[J]. Afr J Urol, 2012,. | 
				                                                        
				                                                            
				                                                                | 5. | Loeb S, Epstein JI, Humphreys EB, et al. Does perineural invasion on prostate biopsy predict adverse prostatectomy outcomes?[J]. BJU Int, 2010, 105(11):1510-1513. | 
				                                                        
				                                                            
				                                                                | 6. | Stolinski C. Structure and composition of the outer connective tissue sheaths of peripheral nerve[J]. J Anat, 1995, 186(pt 1):123-130. | 
				                                                        
				                                                            
				                                                                | 7. | Batsakis JG. Nerves and neurotropic carcinomas[J]. Ann Otol Rhinol Laryngol, 1985, 94(4 pt 1):426-427. | 
				                                                        
				                                                            
				                                                                | 8. | Bockman DE, Büchler M, Beger HG. Interaction of pancreatic ductal carcinoma with nerves leads to nerve damage[J]. Gastroenterology, 1994, 107(1):219-230. | 
				                                                        
				                                                            
				                                                                | 9. | Veness MJ. Perineural spread in head and neck skin cancer[J]. Australas J Dermatol, 2000, 41(2):117-119. | 
				                                                        
				                                                            
				                                                                | 10. | Liebig C, Ayala G, Wilks JA, et al. Perineural invasion in cancer:a review of the literature[J]. Cancer, 2009, 115(15):3379-3391. | 
				                                                        
				                                                            
				                                                                | 11. | Dunn M, Morgan MB, Beer TW. Perineural invasion:identification, significance, and a standardized definition[J]. Dermatol Surg, 2009, 35(2):214-221. | 
				                                                        
				                                                            
				                                                                | 12. | Liu H, Ma Q, Xu Q, et al. Therapeutic potential of perineural invasion, hypoxia and desmoplasia in pancreatic cancer[J]. Curr Pharm Des, 2012, 18(17):2395-2403. | 
				                                                        
				                                                            
				                                                                | 13. | Johnston M, Yu E, Kim J. Perineural invasion and spread in head and neck cancer[J]. Expert Rev Anticancer Ther, 2012, 12(3):359-371. | 
				                                                        
				                                                            
				                                                                | 14. | Ayala GE, Wheeler TM, Shine HD, et al. In vitro dorsal root ganglia and human prostate cell line interaction:redefining perineural invasion in prostate cancer[J]. Prostate, 2001, 49(3):213-223. | 
				                                                        
				                                                            
				                                                                | 15. | Ceyhan GO, Demir IE, Altintas B, et al. Neural invasion in panc-reatic cancer:a mutual tropism between neurons and cancer cells[J]. Biochem Biophys Res Commun, 2008, 374(3):442-447. | 
				                                                        
				                                                            
				                                                                | 16. | Cornell RJ, Rowley D, Wheeler T, et al. Neuroepithelial interactions in prostate cancer are enhanced in the presence ofprostatic stroma[J]. Urology, 2003, 61(4):870-875. | 
				                                                        
				                                                            
				                                                                | 17. | Chilton JK. Molecular mechanisms of axon guidance[J]. Dev Biol, 2006, 292(1):13-24. | 
				                                                        
				                                                            
				                                                                | 18. | (2):82-86. | 
				                                                        
				                                                            
				                                                                | 19. | Chédotal A, Kerjan G, Moreau-Fauvarque C. The brain within the tumor:new roles for axon guidance molecules in cancers[J]. Cell Death Differ, 2005, 12(8):1044-1056. | 
				                                                        
				                                                            
				                                                                | 20. | Boyd JG, Gordon T. Neurotrophic factors and their receptors in axonal regeneration and functional recovery after peripheral nerve injury[J]. Mol Neurobiol, 2003, 27(3):277-324. | 
				                                                        
				                                                            
				                                                                | 21. | Dalal R, Djakiew D. Molecular characterization of neurotrophin expression and the corresponding tropomyosin receptor kinases (trks) in epithelial and stromal cells of the human prostate[J]. Mol Cell Endocrinol, 1997, 134(1):15-22. | 
				                                                        
				                                                            
				                                                                | 22. | Ketterer K, Rao S, Friess H, et al. Reverse transcription-PCR analysis of laser-captured cells points to potential paracrine and autocrine actions of neurotrophins in pancreatic cancer[J]. Clin Cancer Res, 2003, 9(14):5127-5136. | 
				                                                        
				                                                            
				                                                                | 23. | Okada Y, Eibl G, Guha S, et al. Nerve growth factor stimulates MMP-2 expression and activity and increases invasion by human pancreatic cancer cells[J]. Clin Exp Metastasis, 2004, 21(4):285-292. | 
				                                                        
				                                                            
				                                                                | 24. | Okada Y, Takeyama H, Sato M, et al. Experimental implication of celiac ganglionotropic invasion of pancreatic-cancer cells bearingc-ret proto-oncogene with reference to glial-cell-line-derived neuro-trophic factor (GDNF)[J]. Int J Cancer, 1999, 81(1):67-73. | 
				                                                        
				                                                            
				                                                                | 25. | Kurtz KA, Hoffman HT, Zimmerman MB, et al. Perineural and vascular invasion in oral cavity squamous carcinoma:increased incidence on re-review of slides and by using immunohistochemicalenhancement[J]. Arch Pathol Lab Med, 2005, 129(3):354-359. | 
				                                                        
				                                                            
				                                                                | 26. | Ling W, Mijiti A, Moming A. Survival pattern and prognostic factors of patients with squamous cell carcinoma of the tongue:a retrospective analysis of 210 cases[J]. Oral Maxillofac Surg, 2013, 71(4):775-785. | 
				                                                        
				                                                            
				                                                                | 27. | Brandwein-Gensler M, Teixeira MS, et al. Oral squamous cell carcinoma:histologic risk assessment, but not margin status, is strongly predictive of local disease-free and overall survival[J]. Am J Surg Pathol, 2005, 29(2):167-178. | 
				                                                        
				                                                            
				                                                                | 28. | Pilch BZ, Gillies E, Houck JR Jr, et al. Upper aerodigestic tract:Head and neck[M]. New York. College of AmericanPathologists, 2005:12-16. | 
				                                                        
				                                                            
				                                                                | 29. | Luo TH, Fan GE, Bi JW, et al. The effect of perineural invasionon overall survival in patients with gastric carcinoma[J]. J Gastrointest Surg, 2008, 12(7):1263-1267. | 
				                                                        
				                                                            
				                                                                | 30. | 謝洪虎, 呂成余, 黃文斌. 胃癌神經旁浸潤的臨床特征與預后分析[J]. 中華胃腸外科雜志, 2010, 13(6):413-416. | 
				                                                        
				                                                            
				                                                                | 31. | Ayala GE, Dai H, Ittmann M, et al. Growth and survival mechanisms associated with perineural invasion in prostate cancer[J].Cancer Res, 2004, 64(17):6082-6090. | 
				                                                        
				                                                            
				                                                                | 32. | Ahmad Z, Arshad H. Needle biopsy findings in prostatic adeno-carcinoma:experience at a tertiary care center in a developingcountry[J]. Ann Diagn Pathol, 2012, pii:S1092-9134(12)00148-00147. | 
				                                                        
				                                                            
				                                                                | 33. | Lee IH, Roberts R, Shah RB, et al. Perineural invasion is a marker for pathologically advanced disease in localized prostate cancer[J]. Int J Radiat Oncol Biol Phys, 2007, 68(4):1059-1064. | 
				                                                        
				                                                            
				                                                                | 34. | Cartwright T, Richards DA, Boehm KA. Cancer of the pancreas:are we making progress? A review of studies in the US Oncology Research Network[J]. Cancer Control, 2008, 15(4):308-313. | 
				                                                        
				                                                            
				                                                                | 35. | Li J, Ma Q, Liu H, et al. Relationship between neural alteration and perineural invasion in pancreatic cancer patients with hyperglycemia[J]. PLoS One, 2011, 6(2):e17385. | 
				                                                        
				                                                            
				                                                                | 36. | Ozaki 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. | 
				                                                        
				                                                            
				                                                                | 37. | Takahashi T, Ishikura H, Motohara T, et al. Perineural invasion by ductal adenocarcinoma of the pancreas[J]. J Surg Oncol, 1997, 65(3):164-170. | 
				                                                        
				                                                            
				                                                                | 38. | Peng J, Sheng W, Huang D, et al. Perineural invasion in pT3N0 rectal cancer:the incidence and its prognostic effect[J]. Cancer,. | 
				                                                        
				                                                            
				                                                                | 39. | , 27(31):5131-5137. | 
				                                                        
				                                                            
				                                                                | 40. | , 117(7):1415-1421. |