Pathology of Oral and Oropharyngeal Cancers

Over 90% of oral cancers are squamous cell carcinomas. The WHO grading system, based on cellular differentiation, is used in routine pathology reporting and may assist in treatment planning. Several histologic parameters guide us determination of the aggressive nature of the tumour. Understanding the pathology of oral cancer helps the pathologist in running a diagnostic service and the researcher regarding the biological aspects of this tumour.