肩撞击综合征作为一种常见的临床疾患,对骨科医生而言是比较熟悉的,但对放射科医生可能比较陌生。这是由于以往主要依靠普通Ｘ线检查,不足以对该病作出诊断。近年来随着影像学技术的发展,尤其是ＭＲ的出现,肩撞击综合征的影像诊断也日益提高到一个非常重要的地位。1　什么是肩 Shoulder impact syndrome as a common clinical condition is more familiar to orthopedic surgeons but may be unfamiliar to radiologists. This is because in the past mainly rely on the general X-ray examination, not enough to make a diagnosis of the disease. In recent years, with the development of imaging technology, especially the emergence of MR, the imaging diagnosis of shoulder impact syndrome is also increasingly increased to a very important position. 1 What is the shoulder