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Invasive cancers of the oral cavity  Go back to the list
Oral cancer incidence and mortality vary widely across the world; the highest rates are reported from South East Asian countries like India, Pakistan, Bangladesh, Sri Lanka, Taiwan as well as in some parts of Europe, especially France and Hungary . The highest incidence is reported in South Karachi, Pakistan. More than 90% of these neoplasms are squamous cell carcinomas arising from the surface epithelium ; 3–5% of tumours arise from the minor salivary glands. Sarcomas, malignant melanomas, plasmacytomas and lymphomas are rare. Occasionally metastatic tumours are also reported in the oral cavity.
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