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额窦骨折致鼻额管阻塞可引起额窦炎症,为此对该类患者的鼻额管功能应予以估价。对18例额窦骨折的住院病人,先行CT扫描,根据轴位CT所见将病人分为3组:窦前壁骨折,无骨片移位7例;窦前壁骨折,骨片明显移位7例;窦后壁骨折,骨片移位4例。除放射学诊断外,手术中应用甲基蓝液(1∶1稀释的甲基蓝和生理盐水5ml)注入窦内,检查鼻额管是否通畅。如有阻塞则液体不能到达鼻腔,
Nasal frontal sinus obstruction caused by frontal sinus obstruction can cause frontal sinus inflammation, nasal denervation for this type of patients should be evaluated. 18 cases of frontal sinus fracture inpatients, first CT scan, according to the axial CT seen the patients were divided into 3 groups: anterior sinus wall fracture, no bone displacement in 7 cases; anterior sinus fractures, bone chips significant shift 7 cases; sinus posterior wall fracture, bone chip displacement in 4 cases. In addition to radiological diagnosis, the surgical application of methyl blue liquid (1: 1 diluted methyl blue and saline 5ml) into the sinus, check whether the nasal smooth tube. If blocked, the liquid can not reach the nasal cavity,