A case of a sublingual type of dermoid cyst that caused obstructive sleep apnea syndrome

  • ISHIKAWA Hitoshi
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • HASEGAWA Kazuki
    Department of Maxillofacial Surgery Shizuoka City Hospital
  • MIYAMOTO Hideo
    Department of Maxillofacial Surgery Shizuoka City Hospital
  • IIJIMA Shin
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • AMAGASA Teruo
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University

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Other Title
  • 閉塞型睡眠時無呼吸症候群を生じた舌下型類皮嚢胞の1例
  • ショウレイ ホウコク ヘイソクガタ スイミンジ ムコキュウ ショウコウグン オ ショウジタ ゼッカガタルイ ヒノウホウ ノ 1レイ

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Abstract

We describe a sublingual type of dermoid cyst that caused obstructive sleep apnea syndrome (OSAS). A 20-year-old man was referred to our clinic because of a swelling of the submental region, insomnia, and daytime sleepiness. The clinical diagnosis was a dermoid cyst or an epdermoid cyst accompanied by OSAS. The occurrence of breathing disorders and daytime drowsiness were monitored to evaluate OSAS before and after surgery. The preoperative Apnea-Hypopnea Index (AHI) and Epworth Sleepiness Scale (ESS) were 39 and 14, respectively. The postoperative AHI and ESS were 10 and 1, respectively. After surgery, insomnia and daytime sleepiness improved. As of 3 years after the operation, there is no evidence of recurrence.

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