病例报告患儿男性,8岁,河南省偃师县人。因面色苍白伴出牙迟缓七年余于1982年9月5日来我院儿科门诊就医。七年前其母发现患儿面色渐渐苍白,精神及食欲稍差,全身皮肤无出血点,无鼻出血及呕血便血现象,未能引起家长重视,从未求医。两年前及今年四月份因不小心跌倒在地,右上肢前臂先后发生两次骨折,均以两个月左右愈合。患儿 Case Report Male patients, 8 years old, Yanshi County, Henan Province. Because of pale with teething for more than seven years in September 5, 1982 came to our hospital pediatric clinic. Seven years ago, her mother found that her child was gradually pale in color, slightly less in spirit and appetite, had no bleeding on the whole body, no nosebleed and vomiting blood in the stool, which failed to arouse parents’ attention and never sought medical treatment. Two years ago and April of this year due to careless fall to the ground, there have been two fractures of the right upper limb forearm, are about two months to heal. Children