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Breast Cancer Res Treat. 2017 Dec;166(3):657-668. doi: 10.1007/s10549-017-4448-5. Epub 2017 Aug 12.

Breast cancer in elderly women and altered clinico-pathological characteristics: a systematic review.

Author information

1
Senology Unit, Strasbourg University Hospital, Hôpital de Hautepierre 1, Avenue Molière, 67200, Strasbourg, France. Massimo.lodi@chru-strasbourg.fr.
2
Senology Unit, Strasbourg University Hospital, Hôpital de Hautepierre 1, Avenue Molière, 67200, Strasbourg, France.
3
ICube, UMR 7357, Strasbourg University/CNRS, Fédération de Médecine Translationnelle de Strasbourg (FMTS), 300 Boulevard Sébastien Brant, 67400, Illkirch-Graffenstaden, France.
4
Biochemistry and Molecular Biology Laboratory, Strasbourg University Hospital, 1 Place de l'Hôpital, 67000, Strasbourg, France.
5
Onco-geriatric Unit, Strasbourg University Hospital, 1 Avenue Molière, 67200, Strasbourg, France.
6
Gynecology Department, Haguenau General Hospital, 64 Avenue du Professeur Leriche, 67504, Haguenau, France.
7
Quantmetry, 128 rue du Faubourg Saint-Honoré, 75008, Paris, France.
8
Institue de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), CNRS, UMR7104 INSERM U964, 1 rue Laurent Fries, 67400, Illkirch-Graffenstaden, France.
9
Hôpital Saint Nicolas, Sarrebourg General Hospital, 25 Avenue du Général de Gaulle, 57400, Sarrebourg, France.

Abstract

PURPOSE:

Breast cancer is the most common malignancy in women in terms of incidence and mortality. Age is undoubtedly the biggest breast cancer risk factor. In this study we examined clinical, histological, and biological characteristics and mortality of breast cancer in elderly women along with their changes with advancing age.

METHODS:

We reviewed 63 original articles published between 2006 and 2016 concerning women over 70 years with breast cancer.

RESULTS:

Compared to patients 70-79 years, patients aged 80 and over had larger tumor size with fewer T1 (42.9% vs 57.7%, p < 0.01) and more T2 lesions (43.5% vs 33.0%, p < 0.01). Lymph nodes and distant metastases were more frequent, with more N + (49.5% vs 44.0%, p < 0.01) and more M1 (8.0% vs 5.9%, p < 0.01). Infiltrating mucinous carcinomas were more frequent (4.3% vs 3.7%, p < 0.01). Tumors had lower grades, with more grade 1 (23.2% vs 19.8%, p = 0.01) and fewer grade 3 (21.5% vs 25.5%, p < 0.01), and were more hormone-sensitive: PR was more often expressed (72.6% vs 67.3%, p < 0.01). Lympho-vascular invasion was less frequent in the 80 years and over (22.9% vs 29.7%, p = 0.01). Breast cancer-specific mortality was higher both at 5 years (25.8% vs 17.2%, p < 0.01) and 10 years (32.7% vs 26.6%, p < 0.01).

CONCLUSION:

Clinico-pathological characteristics, increased incidence, and mortality associated with aging can be explained on one hand by biological changes of the breast such as increased estrogen sensitivity, epithelial cell alterations, immune senescence, and tumor microenvironment modifications. However, sociologic factors such as increased life expectancy, under-treatment, late diagnosis, and insufficient individual screening, are also involved.

KEYWORDS:

Aging; Breast cancer; Clinical characteristics; Elderly women; Pathology

PMID:
28803352
DOI:
10.1007/s10549-017-4448-5
[Indexed for MEDLINE]

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