患者女性,34岁,已婚,工人。左小指末节疼痛10年。10年来左小指指甲尺侧有一痛点,不能接触物件。每于阴雨天及寒冷时痛加重,白天痛甚于晚间。患者平素尽量避免该处触碰他物,骑自行车时必须将小指屈曲握于掌心,十分痛苦与不便。X 线摄片(一).1981年5月在局麻下切除该处皮下痛性 Female patient, 34 years old, married, worker. Left little finger distal pain for 10 years. In the past 10 years, there was a pain point on the side of the left pinkie fingernail, and it was impossible to touch the object. Every time it rains and colds, the pain increases, and the pain during the day is even worse than in the evening. Patients usually try to avoid touching their belongings at this place. When riding a bicycle, the little finger must be flexed and held in the palm of the hand. It is very painful and inconvenient. X-ray film (a). May 18, 1981 under local anesthesia to remove the subcutaneous pain