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  • Title: [Proliferation index, axillary lymph node status, hormone receptors and age as prognostic factors in primary breast cancer].
    Author: Kaufmann M, Klinga K, Kühn W, Abel U.
    Journal: Geburtshilfe Frauenheilkd; 1989 Feb; 49 Suppl 1():104-8. PubMed ID: 2703135.
    Abstract:
    A total of 233 primary carcinomas of the breast (n = 68 nodal negative and n = 165 nodal positive) of 77 woman patients of less than 50 years of age and pf 156 women patients of 50 years of age or older were examined for the prognostic significance of a proliferation index (in vitro chemoresistance assay). The prognostic significance of the proliferation index (high vs low proliferation) is compared with other prognostic factors that have already been in clinical use (age, axillary lymph node status, oestrogen and progesterone receptor status). The total median observation period was 4.8 years (3-9.1 years). Determination of the proliferation index proved to be the most important prognostic factor both for premenopausal and postmenopausal, nodal negative and nodal positive primary tumours when assessing the total survival time and the time that remains free from recurrences. A simultaneous assessment of low proliferation index and positive hormone receptor as a so-called low-risk situation shows in comparison to a high-risk situation (high proliferation index, negative receptor status) the most pronounced differences. For premenopausal women (younger than 50 years of age) the hormone receptor status has no prognostic significance as far as our group of patients is concerned, whereas for women of 50 years of age or older the receptor status is of great prognostic relevance. Besides the lymph node status, the proliferation index shows in a Cox regression model the greatest prognostic importance for the further course of a primary carcinoma of the breast.(ABSTRACT TRUNCATED AT 250 WORDS)
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