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对６０具完整成人湿性头颅（男３４，女２６）筛窦区域进行了详细解剖研究。重点探讨了前筛窦的气化变异。根据前筛窦是否向筛骨外侵及将其分为筛内型占７０．８％和筛外型占２９．２％。又根据其向筛骨外侵及方式，将筛外型细分为眶上型占1７．５％，眶下型占７．５％和混合型占４．２％。这种分型能客观地反映出前筛窦与眼眶、额窦、上颌窦的毗邻关系，对选择鼻内窥镜下筛窦手术方式、确定手术范围具有重要的临床价值。
A detailed anatomic study of the ethmoid sinus region of 60 intact adult wet heads (male 34, female 26) was performed. Focus on the gasification variation of the ethmoid sinus. According to whether the anterior ethmoid sinus invasion to the ethmoid and divided into the sieve accounted for 70.8% and sieve appearance accounted for 29.2%. According to its invasion to the ethmoid bone and the way, the screen will be subdivided into supraorbital 17.5%, infratemporal 7.5% and mixed accounted for 4.2%. This classification can objectively reflect the anterior ethmoidal sinus and the orbit, frontal sinus, maxillary sinus adjacent relationship between the choice of endoscopic sinus surgery under the way to determine the scope of the operation has important clinical value.