Thus, the authors suggest that there is a neuropathic component in PFPS as this pain is associated with peripheral nerve injury with no pathological sign of tissue injury at the knee joint area.

• 结果：在PFPS患者的疼痛部位发现较多感觉异常的体征，（这些体征）具有较大的异质性，且与神经系统功能障碍的类型和程度重叠。