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目的：旨在进一步提高对腹腔脓肿CT表现的认识。材料和方法：经手术证实的腹腔脓肿15例，回顾性分析腹腔脓肿的CT表现。结果：11例中央呈均匀低密度影及由低密度影勾画出的壁，占73％；内壁光，外壁毛糙分别为8例、10例，分别占72％、90％，增强后壁强化程度明显高于软组织。腔内含气影7例，占46％。脓肿邻近脏器界面显示模糊10例，占66％。腹腔脂肪呈索条状、片状、网格状密度增高9例，占60％。腹壁炎性改变4例，占26％。结论：CT可对腹腔脓肿作出正确诊断，但早期腹腔脓肿，应追踪观察有无脓壁形成，有助于脓肿的诊断。
Objective: To further improve the understanding of CT findings of abdominal abscess. MATERIALS AND METHODS: Fifteen cases of intraperitoneal abscess confirmed by operation were retrospectively analyzed. CT findings of abdominal abscess were retrospectively analyzed. Results: There were 73 cases in 11 central cases with uniform low density and those delineated by low density, 8 cases in the inner wall and 8 cases in the outer wall, respectively, accounting for 72% and 90% respectively, and enhanced the degree of posterior wall enhancement Significantly higher than soft tissue. Gas-filled shadow in 7 cases, accounting for 46%. Abscess adjacent organs interface showed fuzzy 10 cases, accounting for 66%. Abdominal fat strips were strip, sheet, mesh density increased in 9 cases, accounting for 60%. Inflammatory abdominal changes in 4 cases, accounting for 26%. Conclusion: CT can make the correct diagnosis of abdominal abscess, but early peritoneal abscess should be followed up to observe whether the formation of pus wall, contribute to the diagnosis of abscess.