Variability in axillary lymph node dissection for breast cancer

Journal of Surgical Oncology
Michael SchaapveldPax H B Willemse

Abstract

The axillary nodal status may influence the prognosis and the choice of adjuvant treatment of individual breast cancer patients. The variation in number of reported axillary lymph nodes and its effect on the axillary nodal stage were studied and the implications are discussed. Between 1994 and 1997, a total of 4,806 axillary dissections for invasive breast cancers in 4,715 patients were performed in hospitals in the North-Netherlands. The factors associated with the number of reported nodes and the relation of this number with the nodal status and the number of positive nodes were studied. The number of reported nodes varied significantly between pathology laboratories, the median number of nodes ranged from 9 to 15, respectively. The individual hospitals explained even more variability in the number of nodes than pathology laboratories (range in median number 8-15, P < 0.0001). The number of reported nodes increased gradually during the study period. A decreasing trend was observed with older patient age. A higher number of reported nodes was associated with a markedly increased chance of finding tumor positive nodes, especially more than three nodes. The frequency of node positivity increased from 28% if less than six nodes t...Continue Reading

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Citations

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