Published in:
01-08-2013 | Original Article
Is extracapsular tumour spread a prognostic factor in patients with early breast cancer?
Authors:
Erion Dobi, Fernando Bazan, Armelle Dufresne, Martin Demarchi, Cristian Villanueva, Loic Chaigneau, Philipe Montcuquet, Arben Ivanaj, Jean Loup Sautière, Yolande Maisonnette-Escot, Laurent Cals, Marie Paule Algros, Anne-Sophie Woronoff, Xavier Pivot
Published in:
International Journal of Clinical Oncology
|
Issue 4/2013
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Abstract
Background
This study searched for extra capsular tumour spread (ECS) as a prognostic factor for recurrence in terms of Disease Free Survival (DFS) and Overall Survival (OS).
Patients and methods
For this study, from a retrospective database of the Doubs cancer registry, 823 eligible women with node positive breast cancer treated from February 1984 to November 2000 were identified. The following factors were evaluated: ECS, numbers of involved nodes, histological tumour grade, tumour size, status of estrogen and progesterone receptors, and age of patient. A Cox proportional hazards method was used to search for significant factors related to OS and DFS length.
Results
In the multivariate analysis, factors related to DFS length were found to be: tumour grade (aHR 0.76, 95 % CI 0.61–0.96, p = 0.02), ECS status (aHR 0.7, 95 % CI 0.49–0.96, p = 0.03), progesterone (PgR) status (aHR 0.63, 95 % CI 0.44–0.85 p = 0.008), number of nodes involved (aHR 0.75, 95 % CI 0.56–1, p = 0.05). The multivariate analysis for OS found as significant factors: tumour grade (aHR 0.76, 95 % CI 0.61–0.95; p = 0.02) and PgR status (aHR 0.8, 95 % CI 0.56–0.99, p = 0.02).
Conclusions
This study might suggest taking into account ECS status in the adjuvant decision-making process.