“…8 The analysis of age shows that the majority of patients were on average more than 50 years of age. 3,7,8 The most common site involved was the larynx (3 cases in Cardesa et al, 5 17 cases in Suarez et al, 8 1 case in Ereño et al, 13 and 1 case in Shanon et al 14 ), followed by the alveolar ridge (20 cases in Ishiyama et al 3 ). The other sites affected were buccal mucosa (13 cases in Ishiyama et al 3 and 2 cases in Takeda et al 15 ), sinonasal tract (11 cases in Suarez et al 8 and 1 case in Judd et al 16 ), nasopharynx, 5 and oropharynx.…”