患儿系男性,2岁,因不规则发热3月余于1989年5月30日就诊。3个月前不规则发热,有时达39℃,退热后精神尚好。近1月食欲差,盗汗,进行性消瘦。生后居住在甘肃省文县桥头乡桥头村,村内普遍养狗,有黑热病流行。体检:体温38.5℃,体重12kg,面黄肌瘦,肝肋下2cm,剑突下3cm,脾未扪及。血红蛋白90g/L,高倍镜下尿白细胞0—1个,脓细胞2—4个,球蛋白沉淀试验和醛凝试 Children with male, 2 years old, due to irregular fever March more than in May 30, 1989 treatment. Irregular fever 3 months ago, sometimes up to 39 ℃, after the fever is still good. Almost January bad appetite, night sweats, progressive weight loss. After living in Qiaotou Township, Wen County, Gansu Province, Qiaotou Village, the village generally dog, kala popular. Physical examination: body temperature 38.5 ℃, weight 12kg, pale yellow, liver ribs 2cm, xiphoid 3cm, spleen not palpable. Hemoglobin 90g / L, high power microscope, urinary white blood cells 0-1, pus 2-4, globulin precipitation test and aldehyde coagulation test