【摘要】 目的 探讨CT扫描在胃肠穿孔诊断中的价值。 方法 回顾性分析14例成人胃肠穿孔的CT表现。结果 14例中，胃十二指肠溃疡穿孔5例，外伤性十二指肠、空肠、回肠及乙状结肠穿孔5例，肠缺血坏死致回肠、结肠穿孔3例，直肠肿瘤梗阻致乙状结肠穿孔1例。CT表现剑突下隐窝积气12例，肝下肝圆韧带间隙积气6例，腹膜后间隙积气4例及腹腔积液3例。 结论 CT较立位腹平片能更早更准确地判断腹腔游离气体的有无、多少，并能为胃肠穿孔部位的初步诊断提供更多有价值的信息。

    关键词 胃肠穿孔 气腹 体层摄影术 X线计算机

    Value of dissociative gas in CT diagnosing early gastrointestinal perforation

    Zhao Xin，Li Peng，Zeng Honghui，et al.

    Department of CT，The Rongqi Hospital of Shunde，Foshan528303.

    【Abstract】 Objective To discuss CT examination in the diagnosis of gastrointestinal perforation(GP).Meth-ods All CT data of14adult patients with GP were reviewed retrospectively.Results In all14cases，5cases of gas-tric or duodenal perforation by peptic ulcer，5cases of duodenal，jejunal，ileal or colic perforation by trauma，3cases of ileal or colic perforation by intestinal ischemic necrosis，1case of colic perforation by intestinal block due to rectal car-cinoma.CT findings of GP included gas accumulation under the recess of xiphoid，gas accumulation in the space around hepatic ligamentum teres ......