A Case of Subacute Pharyngo-laryngeal Swelling after Accidental Ingestion of Dimethylammonium Chloride

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  • 界面活性剤の誤飲により亜急性に生じた咽喉頭粘膜腫脹例
  • 臨床 界面活性剤の誤飲により亜急性に生じた咽喉頭粘膜腫脹例
  • リンショウ カイメン カッセイザイ ノ ゴイン ニ ヨリ アキュウセイ ニ ショウジタ インコウトウ ネンマク シュチョウレイ

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An 88-year-old woman put dodecyl dimethylammonium chloride (quaternary ammonium salt) in her mouth by accident. She spat it out immediately without swallowing, but thereafter, she developed severe oral pain. Twelve hours later, she also developed dyspnea and visited our hospital. At that time, laryngoscopy revealed severe pharyngo-laryngeal swelling with erosion of the oro-pharyngo-laryngeal mucosa. Emergent tracheotomy was performed. After two weeks, a repeat laryngoscopy revealed improvement of the pharyngo-laryngeal swelling. The patient eventually recovered completely without any complications. We report the progression of the pharyngo-laryngeal swelling as examined by laryngoscopy.

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