小耳症合併外耳道狭窄症術後の補聴器装用への外耳道入口部形成術の一工夫

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  • A technique in plasty of the vestibule of external meatus to fit in-the-ear hearing devices for a patient after surgery of microtia and external meatal stenosis

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A 23-year-old male who had undergone auriculoplasty and enlargement operation for external meatal stenosis for the left microtia and external meatal stenosis during his childhood complained of difficulty in wearing in-the-ear hearing devices because of restenosis of external meatus. First, plasty of the vestibule of the left external meatus and caven conchae was performed and the diameter of the external meatus was enlarged, but in-the-ear hearing device slipped off during biting or eating. Second, the skin flap pedicled at the inferior part of the open vestibule of the external meatus was elevated. The top of the flap was partially resected, the rest was double folded, and a small bank was built at the open vestibule resulting in closed vestibule and caven conchae. Additionally, part of the auricular cartilage at the posterior side of the caven conchae was resected to make the closed caven conchae like a pocket and to prevent the hearing device from slipping off. Finally, the hearing device could be worn stably.

収録刊行物

  • 頭頸部外科

    頭頸部外科 14 (2), 183-188, 2004

    特定非営利活動法人 日本頭頸部外科学会

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