动脉瘤是由于动脉壁病变或损伤，形成的局限性膨出或梭型扩张性病变。以搏动性包块为主要症状，可以发生在动脉系统的任何部位。周围动脉瘤是指主动脉以外的动脉区域发生的动脉瘤，以股动脉和腘动脉处最为常见。
周围动脉瘤有诸多并发症，其中以溃破大出血最为严重（22例）。
Rupture of aneurysm and massive kaemomhage is the most serious complications (22 cases in the report).
目的探讨创伤性周围假性动脉瘤的诊断和治疗方法。
ObjectiveTo study the diagnosis and treatment of traumatic peripheral false aneurysm.
结论MSCTA对脑动脉瘤的诊断准确率高，而且对脑动脉瘤周围血管的关系显示良好，并对动脉瘤的临床治疗有较高的指导价值。
Conclusion MSCTA can not only diagnose cerebral artery aneurysms accurately but also can show the relation with the aneurysm and arterys around, has high directive value in clinical trial.
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