筛窦癌发病率低，就诊时病期晚，５年无瘤生存率为３０％～５０％。由于解剖部位的限制以及局部浸润，放射和手术均有一定难度。作者回顾性分析皇家Ｍａｒｇｒｅｔ医院１９７６～１９９４年收治的２９例浸润性筛窦癌根治性放射治疗的疗效和影响预后因素。男性２４例，女性４例 The incidence of ethmoid sinus cancer is low, when the treatment period late, 5-year disease-free survival rate of 30% to 50%. Due to the limitations of the anatomy and local infiltration, radiation and surgery have a certain degree of difficulty. The authors retrospectively analyzed the efficacy and prognostic factors of 29 patients with invasive ethmoid sinus cancer treated at Royal Margret Hospital from 1976 to 1994. 24 males and 4 females