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正常肩关节的磁共振成像 被引量:16

Magnetic Resonance Imaging of Normal Articulation of Humerus
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摘要 目的 :结合断层解剖标本 ,分析肩关节及其周围结构的磁共振成像 (MRI)表现。方法 :分两组资料 ,MRI采用快速自旋回波纵向弛豫时间 (T1WIFSE)序列扫描。一组为正常尸体标本 ,共 40具 ,连续切割断层标本大体解剖与相应层面MRI扫描图像对照分析。另一组为正常肩关节人群 ,共 14例。结果 :MRI显示肩袖、盂唇、韧带、肱二头肌长头肌腱等 ,并且与断层标本相一致。这些结构由于其成分为纤维结缔组织或者纤维软骨 ,在MRI所有序列均表现为均匀低信号。轴位观察肩袖、盂唇、盂肱上、下韧带 ,喙肱韧带和肱二头肌长头肌腱较好。斜冠状位观察肩袖、盂唇、喙肱韧带、盂肱下韧带较清楚。喙肩韧带在 3个标准体位显示均不满意。结论 :MRI清楚显示了肩关节及其相关结构 。 Objective:To analyze the MRI features of articulation of humerus and its surrounding structures combinated with dissection. Methods:Two groups were studied by using T1WIFSE of MRI. One group consisted of 40 cases of normal cadaveric shoulder specimens which were continuously dissected on three orienfations. Those sections of gross anatomy were analyzed compared with corresponding tomogram of MRI. The another group included 14 healthy volunteers. Results:MRI well displayed the rotator cuff, glenoid labrum, ligaments, long head of biceps tednon and so on which were corresponded with the dissection. All of these structures showed low intensity in MRI because their components were fibril tissue and /or fibrocartilage. Axial scanning was suitabe for display of rotator cuff, glenoid labrum, glenohumeral ligament, coracohumeral ligament and long head of biceps tendon, while rotator cuff, glenoid labrum, coracohumeral ligament and subglenohumeral ligament were apparently diplayed in oblique coronal scanning. The illustration of coracoacromialligment all were unsatisfying in three standard position. Conclusion:There is high value of displaying normal anatomy of articulation of humerus and of analysing shoulder pain in respect of etiology and pathology in MRI.
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2002年第1期48-50,共3页 Journal of Nanjing Medical University(Natural Sciences)
关键词 肩关节 磁共振成像 解剖标本 articulation of humerus MRI dissection
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