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©2013 UpToDate ® Print Email Serial pure tone audiograms in Cogan's syndrome Three audiograms are presented from a patient with Cogan's syndrome and hearing loss: A) Two months after the onset of Cogan's syndrome during initial corticosteroid therapy; B) Four and one-half years into disease course while taking alternate-day corticosteroid therapy; C) Eight years after onset of disease with stable to improved hearing acuity. _-----_, right ear; X-----X, left ear. Reproduced with permission from: Haynes, BF, Kaiser-Kupfer, MI, Mason, P, et al. Corgan syndrome: Studies in thirteen patients, long-term follow-up, and a review of the literature. Medicine 1980; 59:426. Copyright ©1980 Lippincott Williams & Wilkins. Audiograms in Cogan's syndrome Serial audiograms demonstating improving hearing with corticosteroid therapy: A) Hearing thresholds prior to therapy; B) Hearing thresholds after corticosteroid therapy. O-----O, right ear; X-----X, left ear. Reproduced with permission from: McCallum, RM, St. Clair, EW, Haynes, BF. Cogan's syndrome. In: Inflammatory Diseases of Blood Vessels, Hoffman, GS, Weyand, CM (Eds). Marcel Dekker, Inc., New York City 2002. Copyright ©2002 Marcel Dekker, Inc.

©2013 UpToDate ® Print Email Serial pure tone audiograms in Cogan's syndrome Three audiograms are presented from a patient with Cogan's syndrome and hearing loss: A) Two months after the onset of Cogan's syndrome during initial corticosteroid therapy; B) Four and one-half years into disease course while taking alternate-day corticosteroid therapy; C) Eight years after onset of disease with stable to improved hearing acuity. _-----_, right ear; X-----X, left ear. Reproduced with permission from: Haynes, BF, Kaiser-Kupfer, MI, Mason, P, et al. Corgan syndrome: Studies in thirteen patients, long-term follow-up, and a review of the literature. Medicine 1980; 59:426. Copyright ©1980 Lippincott Williams & Wilkins.