臨床整形外科56巻8号

2021年08月発行

特集 外来で役立つ　足部・足関節の超音波診療

リスフラン関節損傷に対する超音波診療

著者： 岡田洋和¹²

所属機関： ¹岡田整形外科 ²新潟中央病院整形外科

ページ範囲：P.1025 - P.1035

　リスフラン関節損傷は足根中足関節の骨，関節，靱帯の損傷である．一般的に荷重時の足部単純X線像による第1楔状骨外側縁と第2中足骨基部の内側縁の離開の有無により間接的に靱帯損傷や関節の不安定性が診断される．しかし，単純X線による画像診断の感度は低く，骨折や脱臼を伴わないリスフラン靱帯損傷の正確な診断は困難な場合が多い．誤診や見逃しは疼痛や機能障害を残すことが多い外傷にもかかわらず，その診断が難しいことがリスフラン関節損傷の問題点である．超音波検査は背側靱帯損傷や関節の離開の有無，動的な不安定性を評価することが可能であり，リスフラン関節損傷において有用な画像検査である．

参考文献

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