检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。

Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).

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变性肌瘤较未变性肌瘤瘤体动脉表现为较高的收缩期峰值和较低血管阻力。

There was higher systolic peak and lower blood vessel resistance in denatured uterine myoma than in non denatured uterine myoma.

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病灶局部所测血流动力学参数为收缩期峰值血流速度PS V，舒张末期血流速度(EDV)及阻力指数ri。

The hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI).

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