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題 名 | MR Arthrographic Evaluation of the Shoulder: Comparison of Neutral Position and ABER Position=磁振關節攝影術對於肩關節之評估:正位與ABER位的比較 |
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作 者 | 葉力仁; 陳坤煌; 賴炳宏; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 28:4 2003.08[民92.08] |
頁 次 | 頁209-216 |
分類號 | 416.61 |
關鍵詞 | 肩關節; 磁振造影; 關節攝影術; Shoulder; Glenohumeral joint; Magnetic resonance arthrography; |
語 文 | 英文(English) |
中文摘要 | 本文的目的是分析與統計正常位與上舉外轉 (abduction and external rotation,ABER) 位對於關節內各種結構與病變在影像特徵上之影響與意義。我們收集了89個具明顯或不明顯受傷病史之肩部疼痛病例(90個肩關節),先將上臂置於正常位,施以一般肩關節磁振造影檢查。然後施以磁振造影關節攝影術,將gadolinium-DTPA 稀釋溶液注射入盂肱關節,再將上臂置於正常位與ABER位,分別進行磁振造影術。 肩旋轉肌之肌腱炎的診斷以一般肩關節磁振造影檢查最容易(30例),其中只有4例能在磁振造影關節攝影術診斷出來。旋轉肌腱部分斷裂的偵測能力以ABER位之磁振造影關節攝影術最佳(23例),其次為正常位的磁振造影關節攝影術(17例)。完全斷裂者有4例,在三種檢查均可正確診斷出來。 前下盂肱韌帶斷裂者有11,均由ABER位之磁振造影關節攝影術診斷,其中2例在正常位的磁振造影關節攝影術判為陰性,5例則不易判斷。 前側盂唇軟骨之裂傷有36例,其於正常位與ABER位之磁振造影關節攝影術之診斷率相同,但ABER位對於前下側盂唇軟骨之裂傷有加強的效果(10例),對於病灶的顯示較正常位為清楚。 在二頭肌,前後關節囊方面,ABER位之磁振造影關節攝影術並不比正常位好,對於上盂肱韌帶,中盂肱韌帶,上側盂唇軟骨等,ABER位之磁核振造影關節攝影術甚至比正常位差。 我們的研究顯示,ABER位之磁振造影關節攝影術雖然無法取代正常位磁振造影關節攝影術的角色,但其對於旋轉肌腱部分斷裂,前下盂肱韌帶斷裂,及前下側盂唇軟骨之裂傷卻有極重要的輔助效果,我們認為應將其加入常規的磁振造影關節攝影術中。 |
英文摘要 | The aim of this study is to determine the efficacy of neutral vs. abduction and external rotation (ABER) position of magnetic resonance (MR) arthrography in evaluation of various shoulder lesions. Eighty-nine patients (90 shoulders) with var-ious shoulder problems were enrolled in this study. Each patient received plain MR imaging with the shoulder in neutral position and fat-suppressed MR arthrography in both neutral and ABER position. The MR images of different positions of each patient were analyzed in a random order. ABER position MR arthrography (ABER MRA) is better than neutral position MR arthrography (nMRA) in identifying articular side partial-thick-ness rotator cuff tears (23/90 vs. 17/90), tears of the anterior bands of inferior glenohumeral ligaments (GHL) (11/90 vs. 4/90) and avulsion of anteroinfe-rior labroligamentous complex (24/90 vs. 18/90). In the presence of anterior extravasation of contrast medium (14 shoulders), the ABER greatly facilitates to determinate the integrity of the anterior band of inferior GHL, while there was difficulty in interpre-tation in 8 cases on nMRA. Regarding to the anterior labral tears, all of them (36 cases) were detected by both ABER MRA and nMRA; nevertheless 10 of the tears at the anteroin-ferior aspect of the glenoid labrum appear to be more distinct by ABER position than by neutral position. There was no significant advantage of ABER position over neutral position for the depiction of the morphology and lesions of the long head of biceps tendon, anterior and posterior joint capsule. With regard to the superior glenoid labrum, the superior and middle GHL, ABER position image was worse. ABER position study is not only supplementary but also mandatory to the routine MR arthrog-raphy. We strongly recommend adding the ABER position study as an elementary part of the routine MR arthrography. |
本系統中英文摘要資訊取自各篇刊載內容。