Methods: In this retrospective study, 256 cases were selected from 5 cancer centers of clinical and educational. The forms were filled in by two methods. The first, information were collected from completed medical records and in the other method, incomplete files were completed via calling patients by phone. ICDO-Coding system was used to determine the kind of malignant lesions. SPSS software was used for statistical data analysis.
Results: Among 256 cases, squamous cell carcinoma (S.C.C) was the most common lesion (70.3%) followed by moucco epidermoid carcinoma (M.E.C). The most common site in mouth was the tongue (25.8%) and in pharynx was larynx (15.2%). The mean age of patients was observed in the fifth to eighth decades. S.C.C and M.E.C had the most recurrence rate. In 23 cases (11.3%) metastasis were reported from which 14 cases were S.C.C.
Conclusions: The results of this study showed that the most common malignancy in oral and pharynx was S.C.C and men almost were involved two times more than women. Therefore, it is necessary that the authorities be ware about referring patients to specialized centers for control and management as soon as possible.