患者女，８５岁，已婚。右跖部溃疡２年，右小腿、足背部皮肤“黑色结节”１年半于１９９９年１１月３日就诊。２年前干农活时，右足第五跖趾关节处屈侧皮肤被刺伤，出血少，未作处理。１０余天后，伤口未愈，并有少许分泌物流出、不痛。曾静滴青霉素、局部外涂膏药（药名不详 The patient is 85 years old and is married. The ulceration of the right ankle was 2 years, and the “black nodules” of the skin of the right calf and the back of the foot were treated for one and a half years on November 3, 1999. When dry farming was done two years ago, the skin at the fifth metatarsophalangeal joint of the right foot was stabbed and the bleeding was minimal. After more than 10 days, the wound was not healed, and there was a little secretion and no pain. Zeng Jingpen penicillin and topical plaster (unknown drug name)