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Hyoid bone fracture is a very rare fracture of the hyoid bone, accounting for 0.002% of all fractures. It is commonly associated with strangulation and rarely occurs in isolation. The fracture may be associated with gunshot injury, car accidents or induced vomiting. In 50% of strangulations and 27% of hangings, hyoid fractures occur. ==Classification== Hyoid bone fractures are classified into three different types:〔 *Inward compression fractures with outside periosteal tears *Antero-posterior compression fractures with inside periosteal tears *Avulsion fractures 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hyoid bone fracture」の詳細全文を読む スポンサード リンク
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