1临床资料患者男,70岁,退休工人,因鼻翼部肿物20余年。20余年前无明显诱因鼻翼部出现一米粒大丘疹,呈褐黑色,无破溃渗液,无明显自觉症状,缓慢生长,15年前增长至黄豆粒大小,外院诊断不详,给予物理方法治疗(电灼或激光,具体不详)去除皮损,未行组织病理检查。治疗1年后于原部位再次出现黄豆粒大丘疹,呈褐黑色,外生性生长,半球形,无破溃渗液,无明显自觉症状,缓慢生长,逐渐增大形成直 1 Clinical data Patient male, 70 years old, retired workers, due to the nasal wing mass more than 20 years. More than 20 years ago, there was no obvious incentive for the emergence of a large nose papule papules, brown and black, no ulceration exudate, no obvious symptoms, slow growth, increased to 15 years ago the size of soybeans, outside the hospital diagnosis is not given physical therapy Electrocautery or laser, the specific unknown) to remove the lesion, no histopathological examination. After 1 year of treatment, soybean papules appeared again in the original site, showing brownish papules, extroverted growth, hemispherical, no ulceration exudate, no obvious symptoms, slow growth, and gradually increased to form straight