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患者,男,49岁,农民。面部、手背结节性损害3个月。患者于1986年6月发现右手拇指上端一个粉刺状损害,后渐发展至右背及面部。开始增长迅速,一月后
Patient, male, 49 years old, farmer. Facial, back nodular damage 3 months. In June 1986, the patient found an acne-like lesion at the top of his right thumb and later developed to the right back and face. Begin to grow rapidly in January