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Influence of age and menopausal status on pathologic and biologic features of breast cancer.

G. Zavagno,F. Meggiolaro,A. Pluchinotta,F. Bozza,F. Favretti,R. Marconato,G. Geraci,R. Nistri,P. Fontana,P. Sorrentino,F. Lumachi,A. Toniato,C. Rossi,M. Lise

Published 2000 in Breast

ABSTRACT

The distribution of the main prognostic factors in different age groups was evaluated in 1226 patients operated on for primary breast cancer, in order to identify those influenced by age and/or menopausal status. Patients were divided into the following groups: 1) 40 years of age and under; 2) premenopausal over 40 years of age; 3) postmenopausal under 75 years of age and 4) 75 years of age and over. Our findings showed that the youngest patients had the worst prognostic pattern, which improves as age increases and is the best in patients over 75 years of age. Some of the parameters investigated (tumour size, histologic and nuclear grade, tumour infiltrating lymphocytes, p53 and Ki 67) were found to be influenced by age, some (necrosis and oestrogen receptors) were influenced by menopausal status and/or age, some (vascular invasion, ploidy, S-phase and progesterone receptors) showed significant differences in different age groups but there was no consistent relation with patient age or menopausal status, and others (node status, ErbB2/Neu and Cathepsin D) were not influenced by age or menopause.

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