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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Characterization of the Supinator Tubercle for Lateral Ulnar Collateral Ligament Reconstruction
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Characterization of the Supinator Tubercle for Lateral Ulnar Collateral Ligament Reconstruction

机译：尺外侧横韧带重建的Supinator结节的表征

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Background: Lateral ulnar collateral ligament (LUCL) reconstruction requires proper understanding and identification of anatomic structures about the lateral elbow. The insertion site of the LUCL is based on the supinator tubercle. Purpose: To characterize the supinator tubercle relative to other surrounding anatomic landmarks. Study Design: Descriptive laboratory study. Methods: Computed tomography (CT) scans of 10 adult elbows were retrospectively reviewed. These CT scans were converted into patient-specific 3-dimensional computer models. Using a user-defined coordinate system, an ulnar Cartesian coordinate system was defined with anatomic landmarks as reference points to standardize the position of each model. The length of the supinator crest was measured. Following this, the crest was examined for a distinct raised bony tuberosity that would be consistent with the supinator tubercle. If no distinctly raised tubercle was noted, the most prominent appearing location of the crest distal to the radial notch was considered the tubercle. The distance from the proximal radial head junction to the supinator tubercle was recorded. Finally, the distance from the supinator crest at the radial head junction to the posterior cortex in the sagittal plane was measured. Results: The supinator tubercle was found to be prominent in 5 of 10 ulnar models. The supinator crest was 43.59 ± 13.28 mm long, and the supinator tubercle lateral extrusion was 5.60 ± 0.90 mm. The distance between the radial head junction and the supinator tubercle was found to be 15 ± 2.37 mm, and the distance from the supinator crest at the radial head junction to the posterior cortex was 10.25 ± 2.07 mm. Conclusion: The supinator tubercle is frequently not prominent or easily recognizable. Its relationship to other structures is of value. The proximal border of the radial head, residing 15 mm proximal to the most predictable location of the supinator tubercle, is a useful landmark when drilling tunnels during LUCL reconstructions. Clinical Relevance: Results of this study may aid proper anatomic LUCL reconstruction.
机译：背景：尺侧副韧带（LUCL）的重建需要适当了解和鉴定有关外侧肘的解剖结构。 LUCL的插入部位是基于旋后结节。目的：相对于其他周围的解剖标志来表征旋后肌结节。研究设计：描述性实验室研究。方法：回顾性分析10例成人肘部的计算机断层扫描（CT）扫描。这些CT扫描被转换为患者特定的3维计算机模型。使用用户定义的坐标系，以解剖界标作为参考点定义尺骨直角坐标系，以标准化每个模型的位置。测量旋后肌冠的长度。之后，检查波峰有明显的凸起的骨结节，该结节与旋后结节一致。如果未观察到明显突出的结节，则认为radial骨远端最明显的出现位置是结节。记录从近端radial骨头交界处到旋后肌结节的距离。最后，测量从from骨头交界处的旋后肌顶到矢状面后皮质的距离。结果：在10个尺骨模型中的5个中发现了旋后结节突出。旋后肌顶峰长43.59±13.28 mm，旋后肌结节横向挤压为5.60±0.90 mm。发现head骨头交界处与旋后肌结节之间的距离为15±2.37 mm，from骨头交界处的in旋肌c到后皮质的距离为10.25±2.07 mm。结论：旋后肌结节通常不突出或不易辨认。它与其他结构的关系具有价值。当在LUCL重建过程中钻探隧道时，the骨头的近端边界距旋后结节的最可预测位置15mm，是有用的标志。临床意义：这项研究的结果可能有助于适当的解剖LUCL重建。

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