又称切片厚度伪像(slice artifact)，因声束宽度导致，也就是超声断层图的切片厚度较宽，把临近靶区布局的反响一概预示在声像图上，例如在苦胆内呈现假胆泥伪像(图1...
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Conclusion Image quality of 64-slice ct coronary angiography affected by the patient's heart rate, fluctuation of heart rate, breathing artifact and reconstruction phase.
结论64层螺旋ct冠状动脉成像质量受到患者心率、心率波动幅度、呼吸运动伪影及重建时相的影响。
Objective To evaluate the prevalence and findings of motion artifact simulating ascending aortic dissection on multi-slice spiral CT.
目的探讨多层螺旋CT上升主动脉夹层样搏动伪影的发生率及其表现。
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