患者张某,女,26岁,售票员。因发现颈部及胸腹部褐色皮疹2年而于1995—06就诊。1993—06,患者洗澡时被别人发现颈后部有小黑点,逐渐增多变大,无任何不适。1994—12,两乳房间、双腋窝、颈部两侧也出现同样皮损,且向腹部扩展,当地医院诊断不明,未行任何治疗。家庭中无类似病患者。 Patient Zhang, female, 26 years old, conductor. He was diagnosed with a brown rash on his neck and chest and abdomen for the first time in 1995-2006. From 1993 to 2006, when the patient was bathed, it was discovered that there was a small black spot at the back of the neck, which gradually increased and became larger without any discomfort. In 1994-12, the same skin lesions appeared in both breasts, double armpits, and on both sides of the neck, and they spread to the abdomen. The diagnosis was unknown at the local hospital and no treatment was performed. There are no similar patients in the family.