Oral Cancer Frequency at Different Sub Sites Presenting At a Tertiary Care Hospital in Karachi Pakistan

Oral cancer is one of the top ten malignancies across the globe. It is second to none lung cancer in male and breast cancer in females. In Indian sub continent it is one of the major problems [1]. Approximately 90% of oral cancers are squamous cell carcinoma (SCC), which is seen in older men, typically on the lip or lateral part of the tongue. Oral squamous cell carcinoma (OSCC) is the most common intra oral site manifesting as a chronic, indurated ulcer. Oral SCC is particularly common in the developing world. There is concern about an increase in younger patients. The etiology appears to be multifactorial and strongly related to lifestyle, mostly habits and diet (particularly tobacco alone or in betel, and alcohol use), Unfortunately, the parts of the world where oral cancer is most common are also those where descriptive information (i.e., incidence, mortality, prevalence) is least available. In certain countries, such as Sri Lanka, India, Pakistan, and Bangladesh, oral cancer is the most common cancer. In parts of India, oral cancer can represent more than 50% of all cancers [2]. Oral cavity anatomically when Abstract