椎骨压缩性骨折。中间椎体明显减小。这种骨折常见于骨质疏松，尤其是老年妇女骨质疏松时存在加速性骨组织破坏丧失。骨折甚至在微小创伤作用下就可发生。
Here is a "compressed" fracture of the vertebral column. The middle vertebral body shown here is greatly reduced in size. Such fractures are common in persons with osteoporosis in which there is accelerated bone loss, particularly older women, and can occur with even minor trauma.