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：了解Ａ型超声鼻窦诊断仪在鼻窦疾病诊断中的作用。方法：通过临床诊断（询问病史、耳鼻咽喉科检查、互线鼻窦摄片、ＣＴ、上颌窦穿刺冲洗）和使用Ａ型超声鼻窦诊断仪，对１１５例鼻窦疾病患者和２２例正常人进行对比观察。结呆：Ａ型超声检测与临床诊断的符合率，正常人为１００％，鼻窦疾病为６２．５％～９２．０％。结论：Ａ型超声鼻窦诊断仪具有操作简便、价格便宜、可多次重复使用和对人体无害的优点，能辅助诊断上颌窦、额窦疾病。
: To understand the role of type A ultrasonic sinus instrument in the diagnosis of sinus diseases. Methods: A total of 115 patients with sinus diseases and 22 normal controls were examined by clinical diagnosis (history, otolaryngology, CT, maxillary sinus puncture) and type A ultrasonic sinus instrument . Results stay: A type ultrasonic examination and clinical diagnosis of the rate of 100% normal, sinus disease was 62.5% to 92.0%. Conclusion: Type A ultrasonic sinus instrument has the advantages of simple operation, cheap price, repeated use and harmless to the human body. It can help to diagnose maxillary sinus and frontal sinus diseases.