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We study a total of 40 individuals exposed to noise in 3 forms of presentation: continuous (metal-workers), impact (hunters and policemen) and acute (bombs or fireworks). All them underwent a study with otoscopy, pure-tone audiometry, speech audiometry, tympanometry and recording of DP 2f1-f2 in the DPgram form. The results showed an early damage in DP (3… (More)
We present a clinical case of extrinsic periaqueductal syndrome caused by an epidermoid cyst in the pineal gland. This is a unusual disorder and those localized in the epiphysis are extremely rare. A bibliographic review of the incidence, clinical aspects, diagnosis and therapy is carried out in this article.