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Prognostic value of lymph node ratio in poor prognosis node‐positive breast cancer patients in Saudi Arabia

Prognostic value of lymph node ratio in poor prognosis node‐positive breast cancer patients in... Aim: Women in Saudi Arabia develop breast cancer at a young age with high prevalence of poor prognostic features. Because of such features, it is necessary to examine prognostic factors in this population. One such factor is the prognostic role of lymph node ratio (LNR). Methods: We performed retrospective analyses of patients with invasive non‐metastatic breast cancer who underwent axillary lymph node dissection and had one or more positive axillary lymph nodes. Results: Two hundred and seventeen patients were considered eligible for the analysis. The median age was 46 years. At a median follow‐up of 39.8 months, the median disease‐free survival (DFS) was 67.3 months (95% CI, 50.4 to 84.3 months). Neither the classification of patients based on positive lymph node (pN) staging system, nor the absolute number of pN prognosticated DFS. Conversely, age ≤ 35 years at diagnosis, grade 3 tumors and the intermediate (>0.20 to ≤0.65) and high (>0.65) LNR categories were the only variables that were independently associated with adverse DFS. Using these variables in a prognostic model allowed the classification of patients into three distinctive risk strata. The overall survival (OS) in this series was 92.5 months (95% CI, 92.1–92.6). Only ER negative tumor adversely influenced OS. Conclusion: Analysis of survival outcome of mostly young patients with early breast cancer identified adverse prognostic variables affecting DFS. If the utility of the derived model including LNR is proven in a larger patient population, it may replace the use of absolute number of positive axillary lymph nodes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asia-Pacific Journal of Clinical Oncology Wiley

Prognostic value of lymph node ratio in poor prognosis node‐positive breast cancer patients in Saudi Arabia

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References (31)

Publisher
Wiley
Copyright
© 2010 Blackwell Publishing Asia Pty Ltd
ISSN
1743-7555
eISSN
1743-7563
DOI
10.1111/j.1743-7563.2010.01288.x
pmid
20565426
Publisher site
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Abstract

Aim: Women in Saudi Arabia develop breast cancer at a young age with high prevalence of poor prognostic features. Because of such features, it is necessary to examine prognostic factors in this population. One such factor is the prognostic role of lymph node ratio (LNR). Methods: We performed retrospective analyses of patients with invasive non‐metastatic breast cancer who underwent axillary lymph node dissection and had one or more positive axillary lymph nodes. Results: Two hundred and seventeen patients were considered eligible for the analysis. The median age was 46 years. At a median follow‐up of 39.8 months, the median disease‐free survival (DFS) was 67.3 months (95% CI, 50.4 to 84.3 months). Neither the classification of patients based on positive lymph node (pN) staging system, nor the absolute number of pN prognosticated DFS. Conversely, age ≤ 35 years at diagnosis, grade 3 tumors and the intermediate (>0.20 to ≤0.65) and high (>0.65) LNR categories were the only variables that were independently associated with adverse DFS. Using these variables in a prognostic model allowed the classification of patients into three distinctive risk strata. The overall survival (OS) in this series was 92.5 months (95% CI, 92.1–92.6). Only ER negative tumor adversely influenced OS. Conclusion: Analysis of survival outcome of mostly young patients with early breast cancer identified adverse prognostic variables affecting DFS. If the utility of the derived model including LNR is proven in a larger patient population, it may replace the use of absolute number of positive axillary lymph nodes.

Journal

Asia-Pacific Journal of Clinical Oncology – Wiley

Published: Jun 1, 2010

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