病例报告患儿男.1岁,主因持续发热半月入院.患儿子半月前开始发热,体温39℃～40℃ ,发热第三天左额部出现一“疖肿”,进行性面色苍白,血白细胞4×10_9/L,按“败血症”治疗10天,体温不降入院.查体:贫血貌,耳后、颈部可触及数个花生米大小淋巴结,头顶部及额部可触及皮下结节,直径约0.5～3.0cm,质硬,部分突出皮肤,表面发红,两肺呼吸音清晰,肝助下约2.0cm,质硬,左下腹可触到一核桃大小包块,质硬.实验室检查:白细胞28×10_9,N 0.65,E 0.07,红细胞2.86×10_12/L,血红蛋白75g/L,血沉110mm/lh,130mm/2h,尿蛋白(++)C一反应蛋白87.94mg/L,补体C_31.55g/L,抗核抗体阴性,肝功能正常,血一般细菌培养阴性,甘油三酯2.09mmol/L,胆固醇3.13mmol/L,骨髓象:粒细胞增生活跃,感染性骨髓象.X线:双肺弥漫小点、片状模糊阴影.B超肝肋下2.1cm,剑突下4.7cm,左下腹见一肿物约 Case reports of children male .1 years old, mainly due to persistent fever for half a month admitted to the hospital .Amniotic fever began half a month ago, body temperature 39 ℃ ~ 40 ℃, the third day of fever left a “swollen”, progressive pale, blood White blood cells 4 × 10_9 / L, according to “sepsis” treatment for 10 days, body temperature does not fall into the hospital. Physical examination: anemia appearance, ear, the neck can reach several peanut-sized lymph nodes, head and forehead can reach the subcutaneous nodules , Diameter of about 0.5 ~ 3.0cm, hard, part of the prominent skin, the surface red, clear breath sounds of both lungs, liver help about 2.0cm, hard, left lower abdomen can touch a walnut size mass, hard. Laboratory tests showed that white blood cells 28 × 10_9, N 0.65, E 0.07, erythrocytes 2.86 × 10_12 / L, hemoglobin 75g / L, erythrocyte sedimentation rate 110mm / lh, 130mm / 2h, urine protein C ++ reactive protein 87.94mg / Complement C_31.55g / L, anti-nuclear antibody negative, normal liver function, blood culture negative bacteria, triglyceride 2.09mmol / L, cholesterol 3.13mmol / L, bone marrow as: granulocytic hyperplasia, infectious bone marrow like.X Line: diffuse the lungs dot, flaky fuzzy shadow .B super liver ribs 2.1cm, xiphoid 4.7cm, see a tumor of the left lower quadrant