31岁男性 ,因头痛 7天就诊内科 ,做ＣＴ检查示头部多发性肿瘤。查找原发病灶时发现四肢已有紫褐色斑块 10余年 ,怀疑为Ｋａｐｏｓｉ肉瘤到皮肤科就诊。既往健康 ,无输血史。体检 :左上臂伸侧可见小指头大边界清楚、无浸润紫褐色斑 ,右足底、大腿部、左足背类似皮损共计 4处。实 A 31-year-old man had a medical examination for 7 days because of a headache. He had CT scans showing multiple head tumors. When the primary lesion was found, it was found that the limbs had purple-brown patches for more than 10 years. Suspected Kaposi’s sarcoma was seen in the dermatology department. Past health, no history of blood transfusion. Physical examination: The small-fingered border of the left upper arm shows a clear boundary with no infiltrating purple-brown spots, and there are 4 lesions in the right foot, thigh and left foot. real