Scientific publications

Role of the extended lymphadenectomy in gastric cancer surgery: experience in a single institution

Sierra A [SP], Regueira FM, Hernández-Lizoáin JL, Pardo F, Martínez-Gonzalez MA, A-Cienfuegos J.
General Surgery Department, Clínica Universitaria, University of Navarra, Pamplona, Spain.

Magazine: Annals of Surgical Oncology

Date: Apr 1, 2010

General and Digestive Surgery

BACKGROUND
Although curative resection is the treatment of choice for gastric cancer, controversy exists about the adequate extent of lymph node dissection when resection is performed.

METHODS
We retrospectively assessed 85 patients who underwent a limited lymphadenectomy (D1) and 71 who had an extended lymph node dissection (D2) in a single institution between 1990 and 1998 (median follow-up, 37.3 months). Prognostic factors were assessed by Cox proportional hazard models adjusted for potential confounders.

RESULTS
We found no significant difference in the length of hospital stay (median, 12.1 and 13.1 days), overall morbidity (48.2% and 53.5%), or operative mortality (2.3% and 0%) between D1 and D2, respectively. Five-year survival in the D2 group was longer (50.6%) than in the D1 group (41.4%) for tumor stages (tumor-node-metastasis) >I. In multivariate analysis, tumor-node-metastasis stage (hazard ratio for stages >I vs. 0-I, 11.6), the ratio between invaded and removed lymph nodes, the presence of distant metastases, Laurén classification, and the extent of lymphadenectomy (hazard ratio for D1 vs. D2, 2.3; 95% confidence interval, 1.25-4.30) were the only significant prognostic factors.

CONCLUSIONS
Our experience shows that extended (D2) lymph node dissection improves survival in patients with resected gastric cancer.

CITATION  Ann Surg Oncol. 2003 Apr;10(3):219-26

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