例1患儿男,7天,因“发现头颅血肿6天”入院,系第1胎第1产,胎龄39周顺产,出生体重3500 g,无窒息。生后第2天无明显诱因出现头部血肿,当地医院行头颅血肿穿刺术,约抽出30 ml暗红色液体,而后包块又增大,转入我院。入院查体:T 37.3℃,P 150次/min,R 45次/min,易激惹,皮肤苍黄、干燥、弹性差,头颅右侧颞顶部皮下10 cm×10 cm×2 cm血肿,心肺腹及神经系统无异常。患 Case 1 male patient, 7 days, because “found cranial hematoma 6 days ” admission, the first child of the first production, gestational age 39 weeks of birth, birth weight 3500 g, no asphyxia. The first 2 days after birth, no obvious incentive to head hematoma, local hospital skull hematoma puncture, about 30 ml dark red liquid drawn out, and then mass and increased, transferred to our hospital. Admission examination: T 37.3 ℃, P 150 times / min, R 45 times / min, irritability, pale skin, dry, poor elasticity, the right temporal skull subcutaneous 10 cm × 10 cm × 2 cm hematoma, And nervous system without exception. Suffering