(接本卷第3期第240页)2小儿骨关节创伤影像学检查的目的、类型及表现2.3关节损伤的影像学表现2.3.1脱位X线常见的关节脱位有肩关节脱位、肘关节脱位和髋关节脱位(图17)。关节脱位一般分为前脱位和后脱位两种,肩关节脱位还常有前脱位时肱骨头位于肩关节盂下方的盂下脱位。肘关节 (Volume 3, page 240) 2 The purpose, type and performance of imaging examination of pediatric bone and joint injuries 2.3 Imaging findings of joint injury 2.3.1 Dislocation X-ray common joint dislocation Shoulder dislocation, elbow dislocation And hip dislocation (Figure 17). Dislocation of the joint is generally divided into two kinds of anterior dislocation and dislocation, dislocation of the shoulder is also often dislocation of the humerus head is located below the glenoid anterolateral dislocation. Elbow joint