Pharynx Tumors
Tumor classification
Oral Cavity Tumor
Premalignant Lesions
- Types: Leukoplakia, Hyperkeratosis, Dysplasia, and Erythroplasia
- Risk: Erythroplasia has a greater risk of malignancy.
- Transformation: Malignant transformation is greater in smokers.
- Treatment: Surgical or laser excision.
- Prevalence: 95% are squamous cell carcinoma.
Risk Factors
- Smoking (depends on dosage and type)
- Alcohol
- Tobacco chewing
- HPV (subtype 16)
- Mechanical irritation (dentures)
