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<p>Cogan syndrome is a&#xa0;rare systemic disease characterized by the occurrence of audiovestibular and ocular symptoms. We present the case of a&#xa0;62-year-old female patient who received a&#xa0;cochlear implant after unilateral deafness. Despite successful implantation, the disease progressed with chronic headache, recurrent otitis, fluctuating intracochlear impedances, and slowly progressing hearing loss in the contralateral ear. Through interdisciplinary collaboration, the diagnosis of Cogan syndrome was established, and biological therapy was initiated.</p>

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Das Cogan-I-Syndrom als seltene Ertaubungsursache

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月30日

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  • Lena Kappert,
  • Vera Lohnherr,
  • Sara Euteneuer,
  • Ute Geiger,
  • Patrick J. Schuler,
  • Miray-Su Yılmaz Topçuoğlu

摘要

Cogan syndrome is a rare systemic disease characterized by the occurrence of audiovestibular and ocular symptoms. We present the case of a 62-year-old female patient who received a cochlear implant after unilateral deafness. Despite successful implantation, the disease progressed with chronic headache, recurrent otitis, fluctuating intracochlear impedances, and slowly progressing hearing loss in the contralateral ear. Through interdisciplinary collaboration, the diagnosis of Cogan syndrome was established, and biological therapy was initiated.