What percentage of oral and oropharyngeal cancers are oral squamous cell (O-SCC)?

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Multiple Choice

What percentage of oral and oropharyngeal cancers are oral squamous cell (O-SCC)?

Explanation:
Most oral cavity and oropharyngeal cancers originate from the squamous epithelium lining these areas, so the vast majority are squamous cell carcinomas. That means about 90% of cases fall into this histology, while the rest (roughly 10%) come from other, less common tumor types such as minor salivary gland cancers, melanomas, lymphomas, or sarcomas. Therefore the 90% figure best reflects the typical distribution of histologies in oral and oropharyngeal cancers.

Most oral cavity and oropharyngeal cancers originate from the squamous epithelium lining these areas, so the vast majority are squamous cell carcinomas. That means about 90% of cases fall into this histology, while the rest (roughly 10%) come from other, less common tumor types such as minor salivary gland cancers, melanomas, lymphomas, or sarcomas. Therefore the 90% figure best reflects the typical distribution of histologies in oral and oropharyngeal cancers.

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