[Analysis of 26,826 patients with tumors in the head and neck].

A series of 26,826 patients with tumors in the head and neck as confirmed by pathology from January 1970 to December 1989 are analyzed. It accounted for 39.5% of all the tumors biopsied in the same interval. In this series, 72.41% was malignant which accounted for 45.77% of malignant tumors in the whole body. For benign tumors in the head and neck, the ratio of male to female was 0.84:1, and for malignant tumors in the head and neck it was 2.4:1. The most frequently involved site by the malignant tumors were: nasopharynx, mouth, maxillofacial regions and neck. The majority (62.65%) of malignant tumors were located in the nasopharynx which accounted for 28.68% of all malignancies, of which the ratio of male and female was 3:1, peak age was 41-50 years, 18 of them was under 10 years of age, the youngest was 1 1/2 years and the oldest was 84 years old. These data showed that malignant tumors in the head and neck regions, especially those in the nasopharynx, are common in Guangxi Province, China.