Dietary Habits and Head and Neck Cancer: preliminary results of a multicentric case control study in Brazil - Interchange Project

Olívia PODESTÁ, Ac camargo Cancer Center, Brazil
CURADO M. 1. , MARCHIONI D. 2 , PODESTA J. 3 , OLIVEIRA J. 4 , KOWALSKI L. 1 , IKEDA M. 1 , ZEIDLER S. 5

1 Department of Epidemiology, AC Camargo Cancer Center, São Paulo, Brazil
2 Public Health College, University of São Paulo, São Paulo, Brazil
3 Department Oral Cancer, Santa Rita de Cássia Hospital, Vitória, Brazil
4 Araújo Jorge Hospital, Goiania, Brasil
5 Federal University of Espírito Santo, Vitória, Brazil

INTRODUCTION In Brazil, it has been estimated 22,930 cancer cases of mouth, larynx and oropharynx for the year of 2014 for both sexes, being 11,280 new cases of oral cavity cancer in men and 4,010 in women and, 6.870 of larynx cancer in men and 770 in women (INCA, 2014). 
Observational studies have shown a protective effect with the consumption of fruits and vegetables, whereas others do not (PAVIA, 2006; MARCHIONI, 2007; FREEDMAN, 2008; TOLEDO, 2010; Marchioni, 2011). In Brazil there was reduced risk of oral cancer when vegetable consumption was 3-7 servings per week (MARCHIONi, 2007). Therefore to analyse   lifestyle and eating habits in patients with head and neck cancer and their controls can bring new informartion about risk factors for head and neck cancer . OBJECTIVES To analyze data collected on lifestyle, eating habits  in case control study  Interchange ( IARC) in  three Brazilian capitals: Goiânia, São Paulo and Vitória.  associated head and neck cancer risk. METHODS InterCHANGE is a multicentric  cases and controls project , on head and neck cancer  coordinated by IARC (http://interchangedb.iarc.fr/). interchange aims  is about survival and risk factors  for cancer  of oral cavity, oropharynx and larynx. RESULTS  745 cases and 580 controls  were  included in the analysis. Males accounted 541  and females 147. wiht proportion male.female of 3,6 :1 male/female, average age of the cases in the 3 cities was 58 years, average weight for cases were 66kg in goiania,61 kg and 75kg in Sao Paulo  The consume of vegetables by citiy was 41% in Goiania, 67% in Sao Paulo and  56% in vitoria.More detailled analysis is on going 
CONCLUSIONS .Dietary habits in cases of  oral cavity,oropharyn and larynx cancer in e cities of  Brasil has heterogenous pattern of weight at diagnosis  and  dietary eating  habits .