Abstract
Oral cancer is one of the highly prevalent cancers worldwide and a leading cause of mortality in certain regions like South-Central Asia. It is a major public health problem. Late diagnosis, high mortality rates and morbidity are characteristics of the disease worldwide. For control of oral cancer an idea of the coverage of the same in the various regions is necessary. The estimated incidence, mortality and 5-year survival due to lip, oral cavity cancer in world is 3, 00, 373(2.1%), 1, 45, 328(1.8%) and 7, 02, 149(2.2%) respectively according to data of GLOBOCAN 2012. A changing trend in incidence and prevalence of oral cancer has been observed with more women and youngsters being affected by oral cancer.
Highlights
Epidemiologic studies yield important information such as origin, prevalence and trends of certain diseases like oral cancer
Oral cancer is one of widely prevalent cancer types emerging as a growing problem in various regions of the world
Method and Source of data Global perspective on oral cancer is coordinated by the International Association of Cancer Registries (IARC), a component of World Health Organisation (WHO) via GLOBOCAN project
Summary
Epidemiologic studies yield important information such as origin, prevalence and trends of certain diseases like oral cancer. An estimated 6,046 deaths have occurred in 2012 in South America due to lip and oral cavity cancer, with the age-standardised mortality rate being 1.4 [4].
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