Audiological and vestibular function tests in hypothyroidism

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Abstract
A battery of audiological and vestibular function tests have been performed in 72 cases of confirmed hypothyroidism. The severity of hypothyroidism was graded as mild, moderate or severe depending upon serum protein-bound iodine estimation. The incidence of hearing impairment, tinnitus and vertigo was correlated with the severity of the disease process. The site of lesion causing sensorineural hearing impairment in 25 cases was pinpointed audiologically.