Snake sinus
蛇窦───Snake sinus
In severe cases, doctors snake special tools up the nose to enlarge those sinus openings by cutting out inflamed tissue and bone.───在一些严重的鼻窦炎病例中，医生用特殊的器具深入鼻腔，通过切除感染的组织和骨质，来扩大鼻窦开口。
