筛窦癌发病率较低 ,在鼻窦恶性肿瘤中占 5%～ 2 5%。由于筛窦和鼻腔、上颌窦关系密切 ,对其分期、治疗及预后存在一定难度。 1 978年 2月～ 1 995年 1 2月我院共收治原发性筛窦癌 43例 ,本文就其有关影响预后的因素进行回顾性分析。1　临床资料患者 43例 ,男 36例 ,女 7例 ;年 The incidence of ethmoid sinus cancer is low, accounting for 5% to 25% of malignant sinus tumors. As the ethmoid sinus and nasal cavity, maxillary sinus closely related to the staging, treatment and prognosis there is a certain degree of difficulty. From February 1978 to January 1995, 43 cases of primary ethmoid sinus cancer were treated in our hospital. In this paper, we retrospectively analyzed the factors influencing the prognosis. 1 clinical data of 43 patients, 36 males and 7 females;