UNASSIGNED: A 60-year-old male presented with left knee pain for 5 years. This pain was associated with paresthesia, night pain unresponsive to analgesia, on the left foot intermittent pins and needles sensation. Schwannoma lesion was excised, histology confirmed the diagnosis, and the patient\'s symptoms improved.
UNASSIGNED: Schwannoma around the knee is a rare or atypical cause of the non-arthritic pain and should be considered in the differential diagnosis of non-arthritic and extra-articular causes of knee pain with neurological deficit of the foot in an adult population.
■一名60岁男性左膝疼痛5年。这种疼痛与感觉异常有关,夜间疼痛对镇痛无反应,在左脚断断续续的针和针的感觉。神经鞘瘤病灶切除,组织学证实了诊断,病人的症状改善了。
■膝关节周围神经鞘瘤是非关节炎性疼痛的一种罕见或非典型原因,在成人足神经缺损的非关节炎和关节外原因的膝关节疼痛的鉴别诊断中应考虑。