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Breast cancer patients: long-term relapses
S Basso Ricci1, D Corradini, C Bartoli
1Divisione di Radioterapia B, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy.
Panminerva Medica
|June 1, 1996
Summary
Long-term breast cancer relapses after mastectomy are strongly linked to lobular cancer and estrogen receptor presence. These late recurrences indicate a significant hormonal influence on disease progression.
Area of Science:
- Oncology
- Endocrinology
- Pathology
Background:
- Late breast cancer relapses (after 8 years) present unique clinical challenges.
- Understanding factors predicting late recurrence is crucial for patient management.
Purpose of the Study:
- To compare characteristics of early (within 3 years) versus long-term (≥8 years) breast cancer relapses post-mastectomy.
- To identify predictors of late-onset breast cancer recurrence.
Main Methods:
- Retrospective analysis of 200 patients with long-term relapses versus 200 with early relapses.
- Comparison of histologic type, metastasis, patient age, clinical course, and estrogen receptor status.
Main Results:
- Long-term relapses showed a higher incidence of lobular histologic type (p < 0.001).
- Patients with late relapses had more axillary lymph node metastases (p < 0.001) but better survival (3 vs 2.6 years).
- Estrogen receptor positivity was significantly higher in the long-term relapse group (p < 0.001).
Conclusions:
- Late breast cancer relapses are predominantly associated with hormone-sensitive tumors.
- The hormonal factor appears critical in the pathogenesis of late-occurring breast cancer recurrence.
- Further investigation into receptor status and hormonal influences is warranted.