Clinico-statistical analysis of mucoepidermoid carcinoma

Abstract

Twenty seven cases of mucoepidermoid carcinoma histologically diagnosed at the Department of Oral and Maxillof acial Surgery II, Okayama University Dental School during period of April 1982 to March 1999 were clinicostatistically analyzed. The results were as follows: (1) The subjects were 16 male and 11 female patients. (2) Their mean age was 63.0 years. (3) The primary tumor sites were the major salivary gland in 2 cases and the minor salivary gland in 25 cases. (4) According to the TNM classification, the 27 cases of mucoepidermoid carcinoma were classified into 7 cases of T1, 7 cases of T2 and 13 cases of T4. In stage grouping, 7 cases were in stage I, 7 cases in stage II and 13 cases in stage IV. (5) Surgical treatment was performed for 24 cases. 13 cases were treated with surgery alone and 11 cases with radiation and/or chemotherapy in addition to surgery. (6) The 5-year cumulative survival rates were 69.4% in all cases, 90.9% for the stage I and II group, 46.4% for stage IV group, respectively.