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Candidates for curative resection in advanced gastric cancer patients who had equivocal para-aortic lymph node metastasis on computed tomographic scan.
Annals of Surgical Oncology 2006 September
BACKGROUND: The aim of this study was to determine how to select potential candidates for curative resection among advanced gastric patients with equivocal findings of para-aortic lymph node metastasis on computed tomography (CT).
METHODS: We analyzed the clinicopathologic results of 23 advanced gastric cancer patients who were diagnosed as having equivocal findings of para-aortic lymph node metastasis on a CT scan and who underwent gastrectomy with D2 and para-aortic lymph node dissection.
RESULTS: Twenty-two patients were male, and one patient was female. The median age of all study subjects was 52 years (range, 31-75 years). Sixteen underwent total gastrectomy, and seven underwent subtotal gastrectomy. The median number of A2 (suprarenal) lymph nodes harvested was 2 (range, 1-5), and that of B1 (infrarenal) lymph nodes was 6 (range, 1-17). Ten (43.5%) of the 23 patients were proven pathologically to have metastasis to para-aortic lymph nodes. Two patients with cT2 cancer had no metastatic para-aortic lymph node, whereas three patients with cT4 disease had metastatic para-aortic lymph nodes (P = .021). Seven (70.0%) of 10 patients with pathologic para-aortic lymph node metastasis experienced recurrence, whereas only 2 (15.4%) of 13 patients without experienced recurrence (P = .008). The Lauren classification was found to be an independent predictor of para-aortic lymph node metastasis (relative risk; .13; 95% confidence interval, .02-.83; P = .03).
CONCLUSIONS: More than half of gastric cancer patients with equivocal findings of para-aortic lymph node metastasis on CT are potential candidates for curative resection. The Lauren classification of gastric cancer in patients with equivocal CT findings of para-aortic lymph node metastasis would be helpful when deciding on clinical stage and treatment plans in these patients.
METHODS: We analyzed the clinicopathologic results of 23 advanced gastric cancer patients who were diagnosed as having equivocal findings of para-aortic lymph node metastasis on a CT scan and who underwent gastrectomy with D2 and para-aortic lymph node dissection.
RESULTS: Twenty-two patients were male, and one patient was female. The median age of all study subjects was 52 years (range, 31-75 years). Sixteen underwent total gastrectomy, and seven underwent subtotal gastrectomy. The median number of A2 (suprarenal) lymph nodes harvested was 2 (range, 1-5), and that of B1 (infrarenal) lymph nodes was 6 (range, 1-17). Ten (43.5%) of the 23 patients were proven pathologically to have metastasis to para-aortic lymph nodes. Two patients with cT2 cancer had no metastatic para-aortic lymph node, whereas three patients with cT4 disease had metastatic para-aortic lymph nodes (P = .021). Seven (70.0%) of 10 patients with pathologic para-aortic lymph node metastasis experienced recurrence, whereas only 2 (15.4%) of 13 patients without experienced recurrence (P = .008). The Lauren classification was found to be an independent predictor of para-aortic lymph node metastasis (relative risk; .13; 95% confidence interval, .02-.83; P = .03).
CONCLUSIONS: More than half of gastric cancer patients with equivocal findings of para-aortic lymph node metastasis on CT are potential candidates for curative resection. The Lauren classification of gastric cancer in patients with equivocal CT findings of para-aortic lymph node metastasis would be helpful when deciding on clinical stage and treatment plans in these patients.
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