[Analysis of clinical characteristics and prognosis of perineural invasion in patients with gastric carcinoma].

Objective: To investigate the association between perineural invasion(PNI) and clinicopathological factors and the effect of PNI on overall survival in patients with gastric carcinoma.

Methods: A total of 178 patients with gastric carcinoma from January 2004 to May 2008 were analyzed retrospectively. Paraffin sections of surgical specimens from all the patients who underwent gastric resection were stained with laminin.