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. 2011 Sep;14(3):198-203.
doi: 10.4048/jbc.2011.14.3.198. Epub 2011 Sep 29.

The role of lymphovascular invasion as a prognostic factor in patients with lymph node-positive operable invasive breast cancer

Affiliations

The role of lymphovascular invasion as a prognostic factor in patients with lymph node-positive operable invasive breast cancer

Young Ju Song et al. J Breast Cancer. 2011 Sep.

Abstract

Purpose: Lymphovascular invasion (LVI) is an important prognostic factor in patients with lymph node-negative patients with invasive breast cancer. However, the prognostic value of LVI it is unclear and controversial about its prognostic value in patients with lymph node-positive breast cancer patients. So, we report the an analysis of the prognostic significance of LVI in a large cohort study of patients with lymph node-positive patients with invasive breast cancer.

Methods: We retrospectively reviewed 967 patients with invasive breast cancer that had undergone surgical treatment at our hospital, from January 2004 to December 2007. Among these thempatients, 349 patients with lymph node-positive breast cancer patients are were included in this study. We evaluated clinical and pathological data in these patients, we compared with 5-year overall survival and disease-free survival between an LVI-present group and an LVI-absent group.

Results: The median follow-up was 48 months (range, 12-78 months), and the mean age of the patients was 48 years (range, 23-78 years). LVI was present in 192 patients (55%) of with tumors and was associated with age ≤40 years (p=0.009), high histologichistological grade (p=0.007), estrogen receptor status (p=0.001), tumor size ≥2 cm (p<0.001), and number of involved lymph nodes (p<0.001), but not with progesterone receptor status, HER2 status, p53 status, or tumor multiplicity. LVI was a significant independent prognostic factor for disease-free survival (p<0.001) and overall survival (p=0.006). By multivariate analysis revealed that LVI (p=0.003), number of involved lymph nodes (≥4; p=0.005), and high histological grade (II and III; p=0.02) was were an independent significant predictors of disease-free survival and overall survival in the whole group of patients.

Conclusion: In this case, we demonstrated that LVI is a significant predictor of poor prognosis in patients with lymph node-positive patients with primary invasive breast cancer, LVI is a significant predictive predictor value of poor prognosis. So, LVI should be considered in the therapeutic strategy as a decision making tool in the adjuvant chemotherapy setting.

Keywords: Breast neoplasms; Lymph node metastasis; Lymphovascular invasion; Prognostic factor.

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Conflict of interest statement

All authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Overall survival and disease-free survival of whole patients. (A) Overall survival curves are shown according to presence or absence of lymphovascular invasion (LVI). (B) Disease-free survival curves according to presence or absence of LVI are shown.
Figure 2
Figure 2
Metastasis-free survival of whole patients. Metastasis-free survival curves are shown according to presence or absence of lymphovascular invasion (LVI).

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