病例摘要患儿，男，38天。于20余天前出现腹胀，逐渐加重，伴叶奶，非喷射性，1～7次／日．量不等。偶有轻吨及呛奶。3天前发现轻度黄疽。无发热，无呼吸困难及青紫，无皮疹及出血倾向。精神及吃奶尚可，尿不黄，大便正常。入院前1天曾在外院查血小板32×109／L，网赤9．1％。 Case summary Children, male, 38 days. Bloating occurred more than 20 days ago, and gradually increased, with leaf milk, non-jet, 1 to 7 times / day. The amount varies. Occasional light tons and choking milk. 3 days ago found mild jaundice. No fever, no breathing difficulties and purple, no rash and bleeding tendency. Mental and nurse acceptable, urine is not yellow, normal stool. One day before admission, he had checked out platelets 32 × 109 / L at the outer court and had a net deficit of 9.1%.