团注追踪法图像运动伪影偏多，但并不影响诊断。
Images produced by bolus chase method had more motion artifacts, but did not influence diagnosis.
目的探讨团注追踪法在下肢动脉造影中的应用价值。
Objective To investigate the application value of bolus chase method in lower extremity angiography.
结果团注追踪法增强MRA检查，所有患者下肢动脉血管均显示满意。
ResultsWith bolus-chase method, MRA images of whole lower extremity arteries were satisfactory in all patients.
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