Nasal endoscopy allows demonstration of structures that are difficult to visualize. The region of the middle meatus is examined carefully, and presence of paradoxical curvature or concha bullosa is noted.

• 鼻内窥镜能显示鼻腔内肉眼无法看到的结构,可以仔细的检查中鼻道区域和显示异常的弯曲和泡性鼻甲。