We reviewed oropharyngeal carcinoma of the anterior, posterior, and superior walls. Clinical features of 34 cases with anterior, posterior, and superior oropharyngeal carcinoma among 93 patients of oropharyngeal carcinoma that we treated in our hospital from January 1997 to October 2005 were analyzed. We treated oropharyngeal carcinoma with concurrent chemoradiotherapy by intra-arterial CBDCA continuous infusion after 1997. In cases of anterior, posterior, and superior wall carcinoma, the disease-specific 3-year survival rates were 55%, 83%, and 100%, and all the cases that successfully received primary radical treatment obtained loco-regional control. On the other hand, two cases died due to postoperative swallowing dysfunction, suggesting that improvement is required. In addition, multiple primary cancers were detected in 48% of the 34 patients. These results suggest that concurrent chemoradiotherapy by intra-arterial continuous infusion for oropharyngeal carcinoma is an effective method.
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