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Clinical Features of DNS
DNS的临床特征
Clinical Features of DNS can be simply remembered using the mnemonic: NASEEM has DNS
使用助记符可以简单地记住DNS的临床特征：NASEEM有DNS。
N is for nasal obstruction:
N是鼻塞：
Naturally, any deviation in nasal septum causes less nasal space and results in nasal obstruction on the side of DNS.
当然，任何鼻中隔偏曲都会导致鼻间隙减小，从而导致DNS侧鼻塞。
A is for Anosmia:
A是嗅觉丧失：
Patient is unable to smell.
病人没有嗅觉。
As there is failure of inspired air to reach the olfactory region.
由于被吸入的空气无法到达嗅觉区域。
Loss of smell may be partial or total.
嗅觉丧失可能是部分丧失，也可能是全部丧失。
S is for Sinusitis:
S是鼻窦炎：
since all sinuses have only one opening and that is in the lateral wall of nose.
因为所有的鼻窦都只有一个开口，那就是鼻侧壁。
DNS causes obstruction of these openings due to nasal obstruction.
DNS会由于鼻塞导致这些开口的阻塞。
E is for epistaxis.
E是鼻出血。
E is for External deformity, particularly in young females or males who are more conscious of this.
E是外型畸形，尤其是在年轻女性或男性中，他们更注意到这一点。
M is for middle ear infection:
M是中耳感染：
DNS also predisposes to middle ear infection because Eustachian tube which is the only drainage source of middle ear, opens in nasopharynx and DNS can cause its obstruction and resulting in middle ear infections.
DNS患者更倾向于患中耳感染，咽鼓管是中耳唯一的引流源，在鼻咽部打开，DNS可引起咽鼓管阻塞，导致中耳感染。
