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  • Title: [The importance of steroid receptors for the prognosis and hormone treatment of breast cancer patients: a retrospective study in Southeastern Netherlands].
    Author: Voogd AC, Crommelin MA, Repelaer van Driel OJ, Tutein Nolthenius-Puylaert MC, Vreugdenhil G, Coebergh JW.
    Journal: Ned Tijdschr Geneeskd; 1998 Aug 01; 142(31):1772-8. PubMed ID: 9856143.
    Abstract:
    OBJECTIVE: To assess the effect of oestrogen (ER) and progesterone (PgR) receptors on the prognosis of patients with operable breast cancer and the decision to treat these patients with adjuvant tamoxifen. DESIGN: Retrospective. SETTING: Eight community hospitals in the Southeast Netherlands. METHOD: Using the registry of the Comprehensive Cancer Centre South, 2862 breast cancer patients were identified with stage I, II or IIIA tumours, treated during the period 1984-1992. RESULTS: ER and PgR status were known for 2393 (84%) and 1761 (62%) patients respectively. From 1991, over 80% of the postmenopausal, lymph node positive patients had received tamoxifen, irrespective of the steroid receptor status. Of all lymph node negative patients fewer than 3% received adjuvant systemic treatment. Among the lymph node negative patients the steroid receptor status was not a significant predictor of survival. Among the lymph node positive patients whose tumours were both ER-negative and PgR-negative, a 2.8-fold increased risk of death was found during the first four years after primary treatment. The risk of death was not increased if only the ER or only the PgR status was negative. CONCLUSION: This study shows that ER and PgR receptors are significant prognostic factors for survival in breast cancer patients with involved axillary lymph nodes. The prognostic effect appeared to be restricted to the first four years after primary treatment. Selection of patients for endocrine treatment should be based on the steroid receptor status, considering the importance of the steroid receptors for predicting the response to endocrine treatment.
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