Methods In the contrast study, CT axial scanning plus reconstruction was performed in 45 randomized cases and so was coronal scanning in 45 randomized cases of accessory sinus lesions.

• 方法:分别对随机分组的副鼻窦病变采用轴位加重建45例,冠状位45例,进行扫描,对比其对诊断的优越性。