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Published in: Breast Cancer Research and Treatment 1/2010

01-02-2010 | Epidemiology

Impact of obesity on diagnosis and treatment of breast cancer

Authors: Carole Deglise, Christine Bouchardy, Mafalda Burri, Massimo Usel, Isabelle Neyroud-Caspar, Georges Vlastos, Pierre Olivier Chappuis, Michela Ceschi, Silvia Ess, Monica Castiglione, Elisabetta Rapiti, Helena Marieke Verkooijen

Published in: Breast Cancer Research and Treatment | Issue 1/2010

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Abstract

In this population-based study, we evaluated the impact of obesity on presentation, diagnosis and treatment of breast cancer. Among all women diagnosed with invasive breast cancer in the canton Geneva (Switzerland) between 2003 and 2005, we identified those with information on body mass index (BMI) and categorized them into normal/underweight (BMI <25 kg/m2), overweight (BMI ≥–<30 kg/m2) and obese (BMI ≥30 kg/m2) women. Using multivariate logistic regression, we compared tumour, diagnosis and treatment characteristics between groups. Obese women presented significantly more often with stage III–IV disease (adjusted odds ratio [ORadj]: 1.8, 95% CI: 1.0–3.3). Tumours ≥1 cm and pN2-N3 lymph nodes were significantly more often impalpable in obese than in normal/underweight patients (ORadj 2.4, [1.1–5.3] and ORadj 5.1, [1.0–25.4], respectively). Obese women were less likely to have undergone ultrasound (ORadj 0.5, [0.3–0.9]) and MRI (ORadj 0.3, [0.1–0.6]) and were at increased risk of prolonged hospital stay (ORadj 4.7, [2.0–10.9]). This study finds important diagnostic and therapeutic differences between obese and lean women, which may impair survival of obese women with breast cancer. Specific strategies are needed to optimize the care of obese women with or at risk of breast cancer.
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Metadata
Title
Impact of obesity on diagnosis and treatment of breast cancer
Authors
Carole Deglise
Christine Bouchardy
Mafalda Burri
Massimo Usel
Isabelle Neyroud-Caspar
Georges Vlastos
Pierre Olivier Chappuis
Michela Ceschi
Silvia Ess
Monica Castiglione
Elisabetta Rapiti
Helena Marieke Verkooijen
Publication date
01-02-2010
Publisher
Springer US
Published in
Breast Cancer Research and Treatment / Issue 1/2010
Print ISSN: 0167-6806
Electronic ISSN: 1573-7217
DOI
https://doi.org/10.1007/s10549-009-0459-1

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