患者,女、17岁,农民。因小便后尿液变黑色15年,加重伴全身皮肤呈褐色3年就诊。患者2岁时,家长发现患者裤叉处的尿渍呈黑色,解出的小便,时间一长也会变成黑色,3年前,患者的皮肤渐渐由浅黄褐色而变成褐色,尤其在吃肉食及豆腐类食物后,尿液颜色更深。但本人无任何不适。既往无特殊病史。家族中未问出类似疾病。 Patient, female, 17 years old, farmer. Urine became black after 15 years due to urination, aggravating with brown skin, body 3 years treatment. When the patient was 2 years old, the patient found the urine stain at the trouser fork of the patient to be black. The solution of the urine would turn black after a long period of time. Three years ago, the patient’s skin gradually turned from light brown to brown, After the meat and tofu food, urine color deeper. But I do not have any discomfort. No special medical history. The family did not ask a similar disease.