Early versus late local recurrences after conservative treatment of breast carcinoma: Differences in primary tumor characteristics and patient outcome

被引:14
|
作者
Courdi, A.
Largillier, R.
Ferrero, J.-M.
Lallement, M.
Raoust, I.
Ettore, F.
Peyrottes, I.
Chamorey, E.
Balu-Maestro, C.
Chapellier, C.
机构
[1] Ctr Antoine Lacassagne, Dept Radiat Oncol, FR-06189 Nice, France
[2] Ctr Antoine Lacassagne, Dept Med Oncol, F-06054 Nice, France
[3] Ctr Antoine Lacassagne, Dept Surg, F-06054 Nice, France
[4] Ctr Antoine Lacassagne, Dept Pathol, F-06054 Nice, France
[5] Ctr Antoine Lacassagne, Dept Radiol, F-06054 Nice, France
[6] Ctr Antoine Lacassagne, Unit Stat, F-06054 Nice, France
关键词
recurrence; local; late; early; breast cancer; conservative surgery; specific survival; long-term prognosis;
D O I
10.1159/000107771
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Objectives: To investigate whether some aspects of patient or tumor characteristics influence the timing of local recurrence ( LR) in breast cancer treated conservatively, and to assess the impact of the timing of LR on patient outcome. Methods: A retrospective analysis was conducted on patients treated with conservative breast surgery followed by radiotherapy for breast carcinoma who developed LR. Out of 2,008 cases treated in our Institute between 1977 and 2002, 180 ipsilateral LR were observed. Of these, 46 LR were observed within 36 months after treatment, called early local recurrence ( ELR), 44 developed between 37 and 60 months, called medium local recurrence ( MLR), and 90 occurred after 60 months, called late local recurrence ( LLR). Patient and tumor characteristics were analyzed in the 2 groups and compared. Results: Primary tumors 1 20 mm were more frequently found in patients with ELR ( 31%) than in patients with LLR ( 17%, p = 0.047). Grade 3 tumors were more often encountered in patients with ELR than in patients with LLR ( 27 versus 7%, p = 0.0002). Patients with ELR more frequently had tumors with negative estrogen receptors than patients with LLR ( 37% versus 6%, p < 0.0001). There was no statistically significant difference in the axillary lymph node ( LN) status between patients with ELR and those with LLR ( 35 and 23% of positive LN, respectively, p = 0.24). Tumor size, grade, LN status, hormone receptors and the timing of LR affected the specific survival ( SS) from initial surgery. On multivariate analysis, only LN status and the timing of LR retained an independent prognostic value, with an odds ratio of 6.7 for ELR. After LR, the SS was also influenced by all of the above factors, and on multivariate analysis, LN status, hormone receptors and the timing of LR were independent predictors with an odds ratio of SS of 2.50 in case of ELR ( p = 0.006). The 5- year SS after LR for ELR, MLR and LLR were 55.8, 74.8 and 79.5%, respectively. Conclusions: Unfavorable tumor characteristics such as big size, high grade, lack of hormone receptors, but not LN status, were associated with ELR. These findings suggest that patients with such aggressive tumor characteristics who do not recur early will have a lower risk of LLR than patients with more favorable factors. Copyright (C) 2006 S. Karger AG, Basel.
引用
收藏
页码:361 / 368
页数:8
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