x线检查对鼻窦疾患的诊断、治疗和预后判断有着重要价值,一般认为,有鼻部症状者均应行鼻窦x线检查,以免漏诊.但鼻窦X线检查,以免漏诊.但鼻窦x钱读片的时常遇到一些困难,以致造成误诊,就其原因,笔者体会如下.1 描述鼻窦相时,必须注意到发育过程中的变异,特别是额窦,蝶窦变异最大,因此发生错误的可能性也最大.笔者观察到200例鼻窦X线片中,有5例额窦未发育,占2.5%,文献中有报告额窦未发育达22%、在额窦未发育或发育很小时,可以清楚地看到眶上孔,而在发育良好者则不能查见;另外有时在额骨的下1/3可以看到额导静脉的两个开口及其整个轮廓.2 由于筛窦位置深,具有特殊的解剖结构及其在发育中的变化,其小房可达眶上、额窦等处,它与蝶窦的关系也不恒定,因此在分析X线相会遇到很大困难.笔者观察了200张X线片,发现12例筛房达眶上(6%),6例 X-ray examination for the diagnosis, treatment and prognosis of sinus disease has an important value, generally believed that patients with nasal symptoms should line X-ray examination of the sinuses in order to avoid misdiagnosis .But the sinus X-ray examination, so as not to miss .But the sinus x money read The film often encounters some difficulties, resulting in misdiagnosis, for the reasons, I understand the following.1 The description of sinus phase, we must note that the variation in the development process, especially the frontal sinus, sphenoid sinus variability, so the error may occur Sex is the largest.The author observed that 200 cases of sinus X-ray films, 5 cases of frontal sinus undeveloped, accounting for 2.5%, reported in the literature frontal sinus undeveloped up to 22%, in the frontal sinus undeveloped or development is small, you can The supraorbital foramen is clearly seen and can not be seen in well-developed individuals; in some cases the frontal veins have two openings and their entire outline seen in the lower third of the frontal bone.2 Because of the deep ethmoid sinus, Has a special anatomical structure and its developmental changes, the small room up to the supraorbital, frontal sinus, etc., and its relationship with the sphenoid sinus is not constant, so in the analysis of X-ray will encounter great difficulties. A total of 200 X-ray films were observed and 12 cases of supratentorial (up to 6%) were found. Six of them were found