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  • Title: Lymph node dissection in surgical treatment for remnant stomach cancer.
    Author: Kunisaki C, Shimada H, Nomura M, Hosaka N, Akiyama H, Ookubo K, Moriwaki Y, Yamaoka H.
    Journal: Hepatogastroenterology; 2002; 49(44):580-4. PubMed ID: 11995502.
    Abstract:
    BACKGROUND/AIMS: Lymphatic flow and the incidence of lymph node metastasis in remnant stomach cancer after distal gastrectomy are obscure. There is consequent controversy about appropriate lymph node dissection in such cases. METHODOLOGY: Thirty-three consecutive patients with remnant stomach cancer and 44 consecutive patients primary gastric cancer in the upper third of the stomach were investigated retrospectively about lymphatic flow by injection of activated carbon particles, and about the incidence of lymph node metastasis. RESULTS: Lymphatic flow and the incidence of lymph node metastasis in remnant stomach cancer after distal gastrectomy without lymph node dissection were the same as those in primary gastric cancer in the upper third of the stomach. Lymphatic flow after distal gastrectomy with lymph node dissection frequently streamed toward the para-aortic lymph nodes through the lymph nodes along the greater curvature and the suprapancreatic lymph nodes. Lymphatic flow toward the jejunal and colonic mesentery was observed regardless of the method of reconstruction. This lymphogenesis was clearly observed, especially in patients with tumors invading the anastomosis site of Billroth-II reconstruction. Station Nos. 110 (lower paraesophageal) and 111 (supradiaphragmatic) lymph nodes were also stained, despite being considered sites of distant metastasis irrespective of the method of reconstruction. CONCLUSIONS: On the basis of the evidence of altered lymphatic flow and the incidence of lymph node metastases in remnant stomach cancer, left upper abdominal evisceration with para-aortic lymph node dissection should be performed in advanced remnant stomach cancer.
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