Results Thickening of synovialis and/or edema of infrapatellar fat pad was found in those with knee joint pain of unknown origin,but without abnormal bony changes by radiography.

• 结果发现平时临床上有膝关节不明原因疼痛，而X线平片又无骨质异常改变的病例中，可见其膝关节侧位片上，有不同程度的滑膜增厚，或/和髌下脂肪垫水肿。