机械性肠梗阻多因肠道内、外或肠壁本身的各种器质性病变或其他因素使肠腔变小，肠腔内容物通过受阻所致，常见于肠扭转、肠套叠、肠粘连、粪块、腹腔内巨大肿瘤等。机械性肠梗阻可因肠管有无血运障碍分为单纯性和绞窄性两种。
目的：总结机械性肠梗阻CT表现及诊断价值。
Objective:To analyze the CT features of intestinal obstruction and its diagnostic value.
胃镜X线检查是胃瘫诊断与机械性肠梗阻鉴别的主要方法。
Gastroscopy and X - ray were the main methods of diagnosis of gastroparesis and differential diagnosis with mechanical ileus.
结论机械性肠梗阻、消化道出血是外科治疗黑斑息肉综合征的主要适应症。
Conclusion: Mechanical obstruction and digestive tract bleeding were the main operation indication for Peutz-Jeghers syndrome.
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