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  • Title: Epidemiological trends in oesophageal cancer in the Nordic countries.
    Author: Voutilainen M.
    Journal: Scand J Gastroenterol; 2008 Mar; 43(3):323-7. PubMed ID: 18938769.
    Abstract:
    OBJECTIVE: The incidence rates of oesophageal cancer vary more than those of any other cancer, world-wide. The aim of this study was to examine the epidemiological features of oesophageal cancer in the Nordic countries. MATERIAL AND METHODS: Epidemiological data from the Nordic Cancer Registry (NORDCAN Database, http://www.ancr.nu/nordcan.asp) were used for the study analysis. RESULTS: From 1971 to 2000 in the Nordic countries, 18,034 oesophageal cancers were detected in males and 8216 in females. In males, the incidence rates (world age standardized incidence per 100,000) of oesophageal cancer in 1971-75 and 1996-2000 were 2.7 and 6.0 in Denmark, 4.2 and 3.2 in Finland, 3.4 and 5.6 in Iceland, 2.6 and 3.3 in Norway, and 2.9 and 3.3 in Sweden, respectively. In females, the corresponding figures were: Denmark 1.1 and 1.8, Finland 3.1 and 1.3, Iceland 2.5 and 1.3, Norway 0.7 and 0.9, and Sweden 1.1 and 1.0. Each Nordic country showed a significant geographical variation in the incidence of oesophageal cancer. In both males and females the incidence curves began rising after 40 years of age, but significantly more steeply in males than in females. Over the study period, oesophageal cancer mortality increased from 2.97 to 3.68 per 100,000 in males but decreased from 1.30 to 1.08 in females. The incidence rates of oesophageal adenocarcinoma increased in males in all Nordic countries, and the increase was most marked in Denmark. The incidence of oesophageal adenocarcinoma also increased among Danish females, but compared with males, the incidence rate remained significantly lower. CONCLUSIONS: The time trends in incidence of oesophageal cancer differ between the Nordic countries, and there has also been geographical variation within them. On a global comparison, the incidence rates of oesophageal cancer are low in the Nordic region. Oesophageal cancer is a male-predominant disease in all Nordic countries, and the incidence rates of oesophageal adenocarcinoma have increased in males and Danish females.
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