A patient with ankylosing spondylitis may develop hearing loss during the course of the disease.

Patient selection: ankylosing spondylitis


Features of hearing loss:

(1) sensorineural and/or conductive

(2) sensorineural hearing loss is often greatest with high frequencies, but there may be some loss at low and medium frequencies

(3) conductive hearing loss tends to affect low frequencies

(4) may be unilateral or bilateral


Risk factors:

(1) extraspinal involvement

(2) longer duration of the disease


Differential diagnosis:

(1) drug-induced hearing loss

(2) hearing loss from other causes

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