近年来,随着对肩关节疾患的研究取得进展,提出了“肩关节不稳定”学说〔1～3〕。我院采用CT引导下肩关节穿刺行气、碘双重造影22例,不仅显示关节囊、盂唇、盂缘损伤,且提示关节囊松弛程度,对肩关节不稳定的诊断及指导治疗提供了重要依据。1　临床资料1.1　一般情况　本组男12例 In recent years, with the progress of the study of shoulder joint disease, put forward the “shoulder instability” theory 〔1 ~ 3〕. In our hospital, CT-guided shoulder puncture of gas and iodine double contrast in 22 cases not only showed the joint capsule, labrum and glenoid rim injury, but also suggested the degree of relaxation of the joint capsule, which provided important information for the diagnosis and treatment of instability of the shoulder joint. in accordance with. 1 Clinical data 1.1 General This group of 12 men