Abstract
目的 对经CT检查、有肠系膜及其血管 (MRV) 改变的30例绞窄性肠梗阻(SO)进行分析,探讨CT诊断的临床价值.方法 30例SO,均行CT平扫,其中20例行增强扫描,均显示有不同形式的MRV改变.26例经手术、4例经临床证实,包括粘连性肠梗阻9例,肠扭转8例,肠套叠6例,肠系膜血管闭塞性肠梗阻4例,内疝3例.结果所有病例经CT检查可发现11种CT征象,并可分作:(1)直接征象:包括肠系膜血管闭塞2例,肠系膜水肿及其血管增粗并形态异常19例;(2)间接征象:包括肠壁水肿增厚24例,CT强化肠壁异常6例,肠腔大量积液13例,肠袢特殊形态10例,肠壁、肠系膜出血各1例;(3)并发症征象:包括肠壁间积气3例,肠系膜门脉积气1例,肠系膜积气1例,腹水和气腹共11例.结论急腹症CT检查如能显示MRV改变,结合其他CT征象和临床,可以对SO术前作出诊断.同时也能观察到传统X线不能显示的并发症。
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