American journal of surgery · 1995
A simple classification of lymph node level in gastric carcinoma.
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Adachi Y, Oshiro T, Okuyama T, Kamakura T, Mori M, Maehara Y, Sugimachi K
Аннотация
BACKGROUND: Because insufficient lymph node examination can cause erroneous listing of earlier-nodal-stage gastric carcinoma (stage migration phenomenon), surgical results must be evaluated based on a highly accurate examination of the dissected lymph nodes. To establish a simple and useful classification of lymph node level, we analyzed the frequency and distribution of lymph node metastasis by using curatively treated node-positive gastric carcinoma.
PATIENTS AND METHODS: Various clinicopathologic data were analyzed with reference to the degree of lymph node metastasis by using 240 patients with curatively resected node-positive gastric carcinoma. The cases were divided into the following three groups: 142 with positive level I (perigastric) nodes, 71 with positive level II (intermediate) nodes, and 27 with positive level III (distant) nodes, irrespective of the location of tumors.
RESULTS: The level of lymph node metastasis clearly correlated with the survival of patients, with the 5-year survival rates for level I, II, and III cases being 67%, 35%, and 26%, respectively (P < 0.01). The degree of lymph node metastasis was determined by the number of positive nodes (P < 0.01), the depth of invasion (P < 0.01), the size of tumors (P < 0.01), and the location of tumors (P < 0.05).
CONCLUSION: This simple classification of lymph node level (level I, II, and III) is useful for the evaluation and prediction of surgical results in gastric carcinoma.
PATIENTS AND METHODS: Various clinicopathologic data were analyzed with reference to the degree of lymph node metastasis by using 240 patients with curatively resected node-positive gastric carcinoma. The cases were divided into the following three groups: 142 with positive level I (perigastric) nodes, 71 with positive level II (intermediate) nodes, and 27 with positive level III (distant) nodes, irrespective of the location of tumors.
RESULTS: The level of lymph node metastasis clearly correlated with the survival of patients, with the 5-year survival rates for level I, II, and III cases being 67%, 35%, and 26%, respectively (P < 0.01). The degree of lymph node metastasis was determined by the number of positive nodes (P < 0.01), the depth of invasion (P < 0.01), the size of tumors (P < 0.01), and the location of tumors (P < 0.05).
CONCLUSION: This simple classification of lymph node level (level I, II, and III) is useful for the evaluation and prediction of surgical results in gastric carcinoma.