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General and abdominal obesity and risk of esophageal and gastric adenocarcinoma in the European Prospective Investigation into Cancer and Nutrition

By Annika Steffen, Jose-Maria Huerta, Elisabete Weiderpass, H. B(As) Bueno-de-Mesquita, Anne M. May, Peter D. Siersema, Rudolf Kaaks, Jasmine Neamat-Allah, Valeria Pala, Salvatore Panico, Calogero Saieva, Rosario Tumino, Alessio Naccarati, Miren Dorronsoro, Emilio Sanchez-Cantalejo, Eva Ardanaz, J. Ramon Quiros, Bodil Ohlsson, Mattias Johansson, Bengt Wallner, Kim Overvad, Jytte Halkjaer, Anne Tjonneland, Guy Fagherazzi, Antoine Racine, Francoise Clavel-Chapelon, Tim J. Key, Kay-Tee Khaw, Nick Wareham, Pagona Lagiou, Christina Bamia, Antonia Trichopoulou, Pietro Ferrari, Heinz Freisling, Yunxia Lu, Elio Riboli, Amanda J. Cross, Carlos A. Gonzalez and Heiner Boeing

Abstract

General obesity, as reflected by BMI, is an established risk factor for esophageal adenocarcinoma (EAC), a suspected risk factor for gastric cardia adenocarcinoma (GCC) and appears unrelated to gastric non-cardia adenocarcinoma (GNCC). How abdominal obesity, as commonly measured by waist circumference (WC), relates to these cancers remains largely unexplored. Using measured anthropometric data from 391,456 individuals from the European Prospective Investigation into Cancer and Nutrition (EPIC) study and 11 years of follow-up, we comprehensively assessed the association of anthropometric measures with risk of EAC, GCC and GNCC using multivariable proportional hazards regression. One hundred twenty-four incident EAC, 193 GCC and 224 GNCC were accrued. After mutual adjustment, BMI was unrelated to EAC, while WC showed a strong positive association (highest vs. lowest quintile HR=1.19; 95% CI, 0.63-2.22 and HR=3.76; 1.72-8.22, respectively). Hip circumference (HC) was inversely related to EAC after controlling for WC, while WC remained positively associated (HR=0.35; 0.18-0.68, and HR=4.10; 1.94-8.63, respectively). BMI was not associated with GCC or GNCC. WC was related to higher risks of GCC after adjustment for BMI and more strongly after adjustment for HC (highest vs. lowest quintile HR=1.91; 1.09-3.37, and HR=2.23; 1.28-3.90, respectively). Our study demonstrates that abdominal, rather than general, obesity is an indisputable risk factor for EAC and also provides evidence for a protective effect of gluteofemoral (subcutaneous) adipose tissue in EAC. Our study further shows that general obesity is not a risk factor for GCC and GNCC, while the role of abdominal obesity in GCC needs further investigation. What's new? While mainly general obesity, as measured by body mass index, has been investigated in relation to gastric and esophageal cancer, the effect of a large waist on these cancer sites is unknown. In this article, the authors report results of extensive analysis of measured anthropometry, including measures of general (BMI) and abdominal obesity (waist circumference), collected by the European Prospective Investigation into Cancer and Nutrition (EPIC). They show that general obesity is not a risk factor for esophageal and gastric cancer, while waist circumference strongly increases risk of esophageal cancer and may potentially be related to gastric cardia cancer

Topics: Cancer and Oncology, general obesity, abdominal obesity, body mass index, waist, circumference, gastric cancer, esophageal cancer
Publisher: 'Wiley'
Year: 2015
DOI identifier: 10.1002/ijc.29432
OAI identifier: oai:lup.lub.lu.se:f1dd5c4a-08d3-48d8-a5f2-4e7862ed3045
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