Objective: Analyze the X-ray manifestation of synovial osteochondromatosis in human knee in order to know more about the disease and find its early expressions through X-ray.

• 目的分析膝关节滑膜骨软骨瘤病的X线表现,进一步提高对滑膜骨软骨瘤病的认识及其在膝关节的早期X线表现。