男性,35天,因生后常哭闹不安,双下肢肿痛进行性加剧20天,于1987年1月22日入院。系第一胎,足月臀位剖腹产。父母体健。生后混合喂养,但常哭闹不安,当换尿布时更明显。生后15天发现右小腿肿胀,硬实和触痛,活动减少,3天后左小腿出现同样症状,即行X线照片,提示双胫骨增粗, Male, 35 days, often crying because of restlessness, both leg pain and progressive aggravating 20 days, January 22, 1987 admission. Department of the first child, full-term breech cesarean section. Parental health. Mixed feeding after birth, but often crying uneasy, when changing diapers more obvious. 15 days after birth found that the right calf swelling, hard and tenderness, reduced activity, left leg three days after the same symptoms, that line X-ray, suggesting double thickening of the tibia,