Ho C P
National Orthopaedic Imaging Associates, Bayside Imaging Center, Redwood City, California, USA.
Magn Reson Imaging Clin N Am. 1999 Feb;7(1):23-37.
The rotator interval between supraspinatus and subscapularis is proving to be an important anatomic and functional region of the shoulder. Appreciation of the anatomic structures, functional importance, and mechanisms of injury are invaluable in appropriate assessment, both by physical examination and diagnostic MR imaging. The long biceps tendon; the superior labrum and labral-biceps anchor; the coracohumeral ligament merging with the rotator interval capsule and the superior glenohumeral ligament; the ligamentous reflection pulley for the long biceps tendon at the far lateral margin of the interval extending to the lesser tuberosity and proximal bicipital groove, bounded by the distal superior margin of the subscapularis and anterior margin of the supraspinatus tendons; and the transverse humeral ligament extending between the lesser and greater tuberosities along the proximal bicipital groove all are intimately associated in this region and may be injured together. Understanding of the anatomy and function of the rotator interval continues to evolve. Rotator interval injury may be better understood as a complex or spectrum rather than an isolated lesion. When any one of the spectrum of associated injuries is suspected or found, all of the other possible associated injuries should be considered and evaluated, both on clinical and MR imaging evaluations.
肩峰下肌和肩胛下肌之间的旋转间隙被证明是肩部一个重要的解剖和功能区域。了解其解剖结构、功能重要性及损伤机制，对于通过体格检查和诊断性磁共振成像进行恰当评估而言非常重要。肱二头肌长头肌腱；上盂唇及盂唇 - 肱二头肌附着点；与旋转间隙囊及肩肱上韧带融合的喙肱韧带；在间隙远外侧缘延伸至小结节和肱二头肌近端沟的肱二头肌长头肌腱的韧带反射滑车，其由肩胛下肌腱的远侧上缘和肩峰下肌腱的前缘界定；以及沿肱二头肌近端沟在小结节和大结节之间延伸的肱横韧带，在该区域均紧密相连，且可能一起受损。对旋转间隙的解剖和功能的理解仍在不断发展。旋转间隙损伤可能更应被理解为一种复合体或谱系，而非孤立的病变。当怀疑或发现相关损伤谱系中的任何一种时，在临床和磁共振成像评估中均应考虑并评估所有其他可能的相关损伤。
