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作者从1959年1月到1976年12月的18年内,共追踪观察了109例白斑病人,158个病变部位。109例病人中男性67例,女性42例。初诊年龄从24—80岁,平均年龄为55.1岁,其中60—69岁发病最高,34例(31.2%);其次为50—59岁,31例。从发病部位看,单发的54例(54个部位),多中心的25例(25个部位),多发性的30例(79个部位)。其中牙龈发病率最高,51个部位,其次为颊粘膜44个部位。而牙龈和硬腭单发的与多发性的为多,颊粘膜和口底是多发性的多,舌是单发性的及多中心性的多。从临床类型看:白斑型有115个部位(72.8%)为最多,其次是红斑型19个部位,丘型15个部位,疣型9个
In the 18 years from January 1959 to December 1976, the authors tracked 109 leukoplakia patients and 158 lesions. Of the 109 patients, 67 were males and 42 were females. The initial age of diagnosis was 24-80 years old, and the average age was 55.1 years old. Among them, the highest incidence was between 60-69 years old, 34 cases (31.2%); followed by 50-59 years old, 31 cases. From the site of the disease, 54 cases (54 sites) were single, 25 cases (25 sites) were polycentric, and 30 cases (79 sites) were multiple. Among them, the incidence of gums was the highest, 51 sites, followed by 44 sites of buccal mucosa. In the case of single and multiple gingival and hard palate, the buccal mucosa and the floor of the mouth are multiple, and the tongue is single and multi-centered. In terms of clinical types, 115 sites (72.8%) were the most common type of leukoplakia, followed by 19 sites of erythema type, 15 sites of mound type, and 9 sites of sigmoid type.