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J Korean Cancer Assoc > Volume 31(1); 1999 > Article
Journal of the Korean Cancer Association 1999;31(1): 31-42.
Clinical Results of Para-aortic Lymph Node Dissection in Advanced Gastric Cancer
Ik Haeng Jo, Dae Hyun Yang, Jin Pok Kim, Won Jin Choi, Il Myung Kim, Jin Youn, Sang Su Park, Byung Ook Yoo, Seung Ik Ahn, Shin Eun Choi
1Department of Surgery, Kangnam General Hospital Public Corporation, Korea.
2Department of Pathology, Kangnam General Hospital Public Corporation, Korea.
3Department of Inje University Seoul Paik Medical Center Korea Gastric Cancer Center, Korea.
4Department of Surgery, College of Medicine, Gangwon National University, Korea.
5Department of Surgery, College of Medicine, Inha National University, Korea.
ABSTRACT
PURPOSE:
In gastric cancer, metastasis to the paraaortic lymph nodes had been regarded as an incurable factor, but many cases of long term survival have been reported with dissection of metastatic paraaortic nodes. And several reports suggested survival benefit with paraaortic lymph node dissection (D4) in advanced gastric cancer. In patients with advanced gastric cancer who underwent paraaortic lymph node dissection we tried to evaluate the factors predisposing metastasis in these nodes and survival data.
MATERIALS AND METHODS:
The authors analyzed retrospectively pathological features of 95 patients who underwent paraaortic lymph node dissection for advanced gastric cancer at Kangnam General Hospital Public Corporation from May 1991 to Feb. 1998. And we also analysed survival results of 72 cases among them. We excluded 18 cases of distant metastasis (3 liver metastasis, 15 peritoneal seeding), 2 operative mortalities, 1 other disease mortality, and 2 unknown causes of death in survival analysis.
RESULTS:
The frequencies of paraaortic lymph node metastasis were 0.0% (0 of 32 cases) in T2, 19.2% (10 of 52 cases) in T3, 18.2% (2 of 11 cases) in T4. And those of paraaortic lymph node metastasis were 5.8% (3 of 52 cases) in antrum, 14.3% (3 fo 21 cases) in body, 20.0% (3 of 15 cases) in cardia, and 42.9% (3 of 7 cases) in whole area. The five-year survival rates (5 YSR's) in relation to the paraaortic lymph node (No16) status was 0.0% in No16 , and 57.8% in No16 with D4 of advanced gastric cancer. The 5 YSR's were 78.1%, 40.8% and 0% in T2, T3 and T4, respectively and 93.8%, 64.2%, 24.2% and 0.0% in n0, n1, n2 and n3, respectively and 88.9%, 80.5%, 57.9% and 0.0% (47.6%) and 0.0% in stage IB, II, IIIA, IIIB and IV, respectively.
CONCLUSION:
The depth of gastric wall invasion and the location of primary tumor were significant predisposing factors to para-aortic lymph node metastasis in multivariate analysis (p<0.05). Survival of No16 metastasis was very poor. And three factors of T stage, n stage, and Borrmann type were also prognostically significant in terms of five year survival in cases of D4 of advanced gastric cancer in multivariate analysis (p<0.05).
Key words: Gastric cancer;Paraaortic lymph node metastasis;Paraaortic lymph node dissection;Prognosis
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