Before operation, malrotation was diagnosed from the x-ray films.Laparotomy disclosed a linear perforation on the posterior wall of the gastric body.

• 本报告系一患有法洛氏四合症之新生儿在三天大时被发现腹涨，手术前诊断为肠旋转不良，开发时却发现在胃体之后壁有一处五公分之直线破裂，并有胆汁溢出。