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Menopausal state in breast cancer: How reliable is the data?


Moffat, R E; Eichholzer, M; Myrick, M E; Schmid, S M; Raggi, A; de Geyter, C; Schötzau, A; Güth, U (2011). Menopausal state in breast cancer: How reliable is the data? Clinical Breast Cancer, 11(6):390-394.

Abstract

INTRODUCTION: Menopause is a cornerstone both in breast cancer (BC) pathophysiology and in clinical management. The scope of uncertainties regarding the recording of the menopausal state in a cohort of patients with BC is evaluated in this study. PATIENTS AND METHODS: The data of a Swiss prospective relational BC database that covered a 20-year period (1990-2009; n=1457) was analyzed. For the definition of menopause, the guidelines of the National Comprehensive Cancer Network were used. RESULTS: The menopausal state was unclear in 150 patients (10.2%). Of these, 122 (81.3%) had undergone a hysterectomy before menopause; in 28 women (18.7%), an endocrine therapy obscured the patient's actual endocrine status. When taking only the subgroup of women in which menopause usually occurs (45-55 years) into consideration, the menopausal state was unclear in 91 cases of 337 women (27.0%). From the entire cohort, the date of last menstruation remained obscure in 450 patients (30.9%). CONCLUSION: Despite the high importance of the menopausal state for the management of BC, above all, when planning antihormonal adjuvant therapy, the menopausal state was unable to be defined at the time of BC diagnosis in a significant proportion of women. The dilemma that menopause cannot be assessed in some BC cases is increasingly being recognized. Close cooperation between oncologists and endocrinologists is desirable to establish an optimal, individually tailored therapy for women with an unclear menopausal state due to hormonal therapies, hysterectomy, or chemotherapy.

INTRODUCTION: Menopause is a cornerstone both in breast cancer (BC) pathophysiology and in clinical management. The scope of uncertainties regarding the recording of the menopausal state in a cohort of patients with BC is evaluated in this study. PATIENTS AND METHODS: The data of a Swiss prospective relational BC database that covered a 20-year period (1990-2009; n=1457) was analyzed. For the definition of menopause, the guidelines of the National Comprehensive Cancer Network were used. RESULTS: The menopausal state was unclear in 150 patients (10.2%). Of these, 122 (81.3%) had undergone a hysterectomy before menopause; in 28 women (18.7%), an endocrine therapy obscured the patient's actual endocrine status. When taking only the subgroup of women in which menopause usually occurs (45-55 years) into consideration, the menopausal state was unclear in 91 cases of 337 women (27.0%). From the entire cohort, the date of last menstruation remained obscure in 450 patients (30.9%). CONCLUSION: Despite the high importance of the menopausal state for the management of BC, above all, when planning antihormonal adjuvant therapy, the menopausal state was unable to be defined at the time of BC diagnosis in a significant proportion of women. The dilemma that menopause cannot be assessed in some BC cases is increasingly being recognized. Close cooperation between oncologists and endocrinologists is desirable to establish an optimal, individually tailored therapy for women with an unclear menopausal state due to hormonal therapies, hysterectomy, or chemotherapy.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Epidemiology, Biostatistics and Prevention Institute (EBPI)
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2011
Deposited On:23 Sep 2011 13:10
Last Modified:05 Apr 2016 15:01
Publisher:Elsevier
ISSN:1526-8209
Publisher DOI:https://doi.org/10.1016/j.clbc.2011.07.002
PubMed ID:21903481
Permanent URL: https://doi.org/10.5167/uzh-49776

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