問題詳情

55.關於內紛亂(internal derangement)的敘述,下列何者錯誤?
(A)不可復位之關節盤異位(disc displacement without reduction)開口會偏移到患側
(B)不可復位之關節盤前異位(anterior disc displacement without reduction)張口會受限,會有彈響聲(clicking sound)
(C)傳統顳顎關節X光片(plain film)和電腦斷層中可復位之關節盤前異位(anterior disc displacement with reduction)和不可復位之關節盤前異位(anterior disc displacement without reduction)的影像都是相近
(D)不可復位之關節盤異位(disc displacement without reduction)在MRI中關節盤在閉口位置常會位移到前內側 位置

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增

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B. no clicking sounds, because they are unable to translate the condyle over the posterior aspect of the disk. This lack of translation may result in restricted opening, deviation to the affected side, and decreased lateral excursion to the contralateral side