Objective To explore the value contrast - enhanced ultrasound ( CEUS ) in the diagnosis of renal cystic lesion.

目的探讨超声造影(CEUS ) 在肾囊性病变中的应用价值.

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Objective : To explore the diagnostic value of contrast enhanced ultrasound in malignant focal liver lesion ( FLL ).

目的: 探讨超声造影对恶性肝脏局灶性病变的诊断价值.

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To evaluate the effects of noradrenaline ( NE ) on renal blood perfusion using contrast - enhanced ultrasound.

目的:应用对比超声评价去甲肾上腺素 ( NE ) 对肾脏血流灌注的影响.

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