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Lymph node metastasis in submucosal gastric cancer and reduction surgery
Shi-He Wang, Zhen-Ning Wang, Hui-Mian Xu
Shi-He Wang, Zhen-Ning Wang, Hui-Mian Xu, Department of Surgical Oncology and Department of General Surgery, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
Supported by: the Program for New Century Excellent Talents in University, No. NCET-06-0296; the Program for Liaoning Excellent Talents in University, No. RC-05-02.
Correspondence to: Dr. Zhen-Ning Wang, Department of Surgical Oncology and Department of General Surgery, the First Hospital of China Medical University, 92 Beierma Road, Heping District, Shenyang 110001, Liaoning Province, China. josieon826@yahoo.com.cn
Received: May 16, 2007 Revised: January 15, 2008 Accepted: January 23, 2008 Published online: February 18, 2008
Although the concept of early gastric cancer (EGC) has been accepted, lymph node metastasis is the most important prognostic factor for EGC. Submucosal gastric cancer is greatly concerned because of its high lymph node metastasis incidence accounting for about 20% of all lymph node metastases. Many researchers suggest that reduction surgery should be performed for submucosal gastric cancer patients at a lower risk of developing lymph node metastasis. Submucosal gastric cancer can be divided into 3 levels (Sm1, Sm2, Sm3) based on its depth of invasion, which has been proven useful for predicting lymph node metastasis, directing treatment and evaluating prognosis. Recently, with the advances in clinical pathology and molecular biology, the risk factor for lymph node metastasis of submucosal gastric cancer can be accurately evaluated and its treatment has become rather rational. This paper reviews the relative factors for lymph node metastasis of submucosal gastric cancer and advances in its rational surgical treatment.
Key Words: Early gastric cancer; Submucosal gastric cancer; Lymph node metastasis; Reduction surgery
Citation: Wang SH, Wang ZN, Xu HM. Lymph node metastasis in submucosal gastric cancer and reduction surgery. Shijie Huaren Xiaohua Zazhi 2008; 16(5): 493-497
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