Squamous cell carcinoma (SCC)—comprises > 90% of cancers in the oral cavity, ulcerative lesions are more common than exophytic

Basaloid squamous cell carcinoma—aggressive variant of SCC with increase recurrence and worse prognosis

Verrucous carcinoma—uncommon variant of SCC < 5%, warty tumor with pushing border

Adenoid cystic carcinoma— is the most common in the minor salivary gland Predictors of Nodal Metastasis

Theses include tumor thickness (> 2 mm 40% incidence of cervical mets), degree differentiation and vascular or perineural invasion. The prognosis decreases with nodal disease and survival decreases by 50% with extracapsular spread in cervical metastasis.

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