Occurs in adults, with peak incidence from 20–40 years of age. A causal link with cytomegalovirus (CMV) has been strongly implicated in a 2011 research.
Mucoepidermoid carcinoma
Basal-cell carcinoma
Medulloepithelioma
Squamous cell carcinoma
Adenosquamous carcinoma
Epithelioma
Lymphoepithelioma
Sebaceous carcinoma