Objective To evaluate the reliability and efficacy of high intensity focused ultrasound (HIFU) on treatment of osteosarcoma by color Doppler flow imaging (CDFI) surveillance.

目的评价超声监控高强度聚焦超声(HIFU)治疗骨肉瘤的可靠性及其治疗后随访的实用价值。

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Objective: to explore the value of two dimensional color Doppler flow imaging (2d CDFI) in detecting total anomalous pulmonary venous drainage (TAPVD).

目的：探讨二维彩色多普勒超声(2 D - CDFI)诊断完全性肺静脉畸形引流(TAPVD)的价值。

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Objective to investigate the value of color Doppler flow imaging (CDFI) in the vascular complication after orthotopic liver transplantation (OLT).

目的评价彩色多普勒血流成像(CDFI)对原位肝移植术(olt)后血管并发症的诊断价值。

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