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- Triangular Fibrocartilage Perforations with Bilateral Negative Ulnar Variant Wrists: A Case Report
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題 名 | Triangular Fibrocartilage Perforations with Bilateral Negative Ulnar Variant Wrists: A Case Report=三角形纖維軟骨撕裂於負向尺骨差異的雙側手腕: 一病例報告 |
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作 者 | 柯世琦; 施純熙; 張政彥; 刁翠美; 彭薏雯; 吳濬哲; | 書刊名 | 中華醫學雜誌 |
卷 期 | 61:9 1998.09[民87.09] |
頁 次 | 頁556-559 |
分類號 | 416.26 |
關鍵詞 | 負向尺骨差異; 正向尺骨差異; 三角纖維軟骨; Negative ulnar variance; Positive ulnar variance; Triangular fibrocartilage; |
語 文 | 英文(English) |
中文摘要 | 三角形纖維軟骨複體(triangular fibrocartilage complex)在腕關節上扮演 著重要的角色。它不僅維持遠端橈尺骨關節的穩定度,並緩衝該處所承受的縱軸壓力。其中 三角形纖維軟骨是構成該軟骨複體的主要部份。纖維軟骨的裂損跟正向尺骨差異(positive ulnar variance)有關,同時被視為尺腕骨關節的退化性病變。除非是受到創傷,三角形纖 維軟骨的撕裂少見於年輕人,尤其在20歲以前。 在一次對國劇劇校的學生腕部篩檢中,我們意外發現1位 12歲的男學生,有雙側手腕 的負向尺骨差異(negative ulnar variance),磁振造影及關節攝影兩項檢查,都顯示雙側 的三角形纖維軟骨撕裂。該位學生並沒有重大的外傷病史。青少年無急性或重大外傷病史而 發生三角形纖維軟骨撕裂極為罕見,特別是發生於負向尺骨差異的雙側手腕。 |
英文摘要 | Triangular fibrocartilage (TFC) constitutes the major part in the triangular fibrocartilage complex, which stabilizes the distal radioulnar joint and functions as a cushion for axial compression forces. Tears in the TFC are often encountered with positive ulnar variance and regarded as part of a degenerative process of the uinocarpal joint. They are occasionally seen as the result of trauma and are less likely to be found in a young population, especially in those who are in the first two decades of life, without causative traumatic injury. We report the case of a 12-year-old boy with bilateral negative ulnar variances with incidental findings of TFC tears in both wrists. This is a rare case, as he had no history of a traumatic event. |
本系統中英文摘要資訊取自各篇刊載內容。