Clinicopathological characteristics and prognostic analysis of Lauren classification in gastric adenocarcinoma in China

Journal of Translational Medicine

Rui-hua Xu²  Yu-hong Li²  De-shen Wang²  Zhi-qiang Wang²  Dong-sheng Zhang²  Mu-yan Cai¹  Miao-zhen Qiu² 

[1] State Key Laboratory of Oncology in South China, Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China;State Key Laboratory of Oncology in South China, Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China

关键词: Prognostic analysis;    Lauren classification;    Gastric cancer;   

Others  :  827987
DOI  :  10.1186/1479-5876-11-58

 received in 2012-09-06, accepted in 2013-02-20,  发布年份 2013

【 摘 要 】

Background

According to the Lauren classification, gastric adenocarcinomas are divided into diffuse and intestinal types. The causative attribution explaining the dismal prognosis of diffuse-type remains unknown.

Methods

We examined the archive of 1000 patients with gastric adenocarcinomas who received radical gastrectomy in our center and assessed the effect of the Lauren classification on survival in a multivariate approach. Moreover we compared the variation of clinical features between the diffuse-type and intestinal-type and explored the contributing factors for the prognostic difference.

Results

There were 805 resectable patients for the final analysis. Diffuse-type comprised of 48.7% in the gastric carcinoma in our group and showed poorer prognosis than intestinal-type (P=0.013). Multivariate analysis revealed that independent prognostic factors for gastric carcinoma patients were T stage (P<0.001), N stage (P<0.001) tumor size (P<0.001) and Lauren classification (P=0.003). For the clinical features, diffuse-type was significantly associated with younger age (p<0.001), female preponderance (p <0.001), distal location (P<0.001), advanced pT (p < 0.001), advanced pN (p < 0.001) and advanced TNM stage (p = 0.027).

Conclusions

Diffuse type adenocarcinoma carries a worse prognosis that may be partially explained by the tendency of this subtype to present at more advanced T and N stage. However, Lauren classification has prognostic significance that is independent of T and N stage as well as other prognostic variables based on the multivariate cox analysis.

【 授权许可】

   
2013 Qiu et al; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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