患儿,男,27天,因皮肤出血点23天,持续性发热11天,反应低下,面色苍白3天入院。第1胎,第1产,足月顺产,出生体重3.2公斤,生后无窒息,母体健。母亲为喷漆工人,其父母非近亲婚配,家族否认类似疾患。体查:体温38℃,体重3.2公斤,营养欠佳,呼吸浅促,皮肤粘膜较苍白,躯干部可见散在的针 Children, male, 27 days, 23 days due to skin bleeding, persistent fever 11 days, reaction was low, pale 3 days admitted. The first child, the first production, term full-term, birth weight 3.2 kg, after birth without asphyxia, maternal health. The mother is a paint worker, whose parents are not close relatives, and the family denied similar illnesses. Physical examination: body temperature 38 ℃, weight 3.2 kg, poor nutrition, shortness of breath, pale skin and mucous membranes, trunk scattered scattered needle