目的分析总结主动脉壁内血肿（AIH）的影像学特点。
Objective To summarize the imaging features of aortic intramural hematoma (AIH).
目的：评价多层螺旋CT（MSCT）在主动脉壁内血肿（AIH）诊断中的价值。
Objective: To investigate the diagnostic role of multislice spiral CT (MSCT) in aortic intramural hematoma (AIH).
穿透性动脉溃疡当出现血管动力学异常、壁内血肿、先兆破裂、或无法抑制的疼痛时，需要采用外科手术修补。
Surgical repair of a penetrating aortic ulcer is usually indicated when there is hemodynamic instability, an intramural hematoma, signs of impending rupture, or inability to control pain.
穿透性动脉溃疡当出现血管动力学异常、壁内血肿、先兆破裂、或无法抑制的疼痛时，需要采用外科手术修补。
Surgical repair of a penetrating aortic ulcer is usually indicated when there is hemodynamic instability, an intramural hematoma, signs of impending rupture, or inability to control pain.
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