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首页> 外文期刊>Skeletal radiology >Partial tears of the distal biceps tendon: MR appearance and associated clinical findings.
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Partial tears of the distal biceps tendon: MR appearance and associated clinical findings.

机译：肱二头肌远端肌腱部分撕裂：MR外观和相关的临床发现。

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摘要

PURPOSE: To describe the magnetic resonance (MR) appearance and associated clinical findings of partial distal biceps tendon tears. DESIGN: Twenty elbow MR images at 1.5 T, performed over a 7 year period, were reviewed for an appearance of partial tears in the distal biceps. These images were assessed by two musculoskeletal radiologists for the extent of: (a) abnormal signal intensity within the tendon, and the presence of (b) bicipitoradial bursitis, and (c) bony microavulsive injury of the radial tuberosity. Medical records for nine of the 20 cases were reviewed for the clinical findings of ecchymosis, trauma, sensation of a "pop", loss of function, and acuity of onset. RESULTS: Twenty partial distal biceps tendon tears were seen. All displayed an abnormally increased signal in the distal biceps tendon. Three of 20 (15%) showed a 25% to 50% tear, ten of 20 (50%) showed a 50% tear, and seven of 20 (35%) showed a 75% to 90% tear. Bicipitoradial bursitis was seen in 11 of 20 (55%) cases. Bony microavulsive injury of the radial tuberosity was observed in 10 of 20 (50%). Of the nine cases reviewed for associated clinical findings, surprisingly, only three (33%) experienced an acute traumatic episode with an abrupt onset of pain. An insidious onset was reported in four of nine (44%). Sensation of a "pop" was recorded in only two of nine (22%) cases. Ecchymosis and loss of function were not seen in any of the cases. Finally, surgical conformation was obtained for three cases. CONCLUSION: Partial distal biceps tendon tears have a characteristic MR appearance, demonstrate little functional deficit, and may be attritional in their etiology due to the observation of a low number of patients reporting trauma or an acute onset.
机译：目的：描述部分肱二头肌远端肌腱撕裂的磁共振（MR）表现及相关的临床发现。设计：回顾了在7年的时间里在1.5 T下进行的20例肘部MR图像，检查了二头肌远端撕裂的外观。两名肌肉骨骼放射科医生对这些图像进行了以下程度的评​​估：（a）肌腱内信号强度异常，以及（b）cip骨滑囊炎的存在，以及（c）tube骨的骨微创损伤。回顾了20例病例中9例的病历，以了解瘀斑，外伤，“ a”的感觉，功能丧失和发作的敏锐度。结果：观察到二十二头二头肌远端腱撕裂。所有的二头肌远端肌腱均显示异常增加的信号。 20个中的三个（15％）表示撕裂25％至50％，20个中的十个（50％）表示撕裂50％，20个中的七个（35％）表示撕裂75％至90％。 20例中有11例（55％）可见神经滑囊炎。在20人中有10人（50％）观察到the骨的骨微伤。令人惊讶的是，在9例相关临床发现的病例中，只有3例（33％）经历了急性外伤发作并突然发作疼痛。九个病例中有四个发病隐患（44％）。在九个案例中，只有两个（22％）记录到“流行”的感觉。在任何情况下均未见瘀斑和功能丧失。最终，三例获得了手术构象。结论：部分二头肌远端肌腱撕裂具有特征性的MR外观，表现出很少的功能缺陷，并且由于观察到的报告创伤或急性发作的患者数量较少，其病因可能有所减退。

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