Application of contrast-enhanced ultrasound in the diagnosis and differential diagnosis of renal diseases

ZHANG Da-kun; ZHANG Xin-li; YU Xiao-ling; DONG Bao-wei; ZHAO Yuan-yuan

Journal of China Clinic Medical Imaging ›› 2009, Vol. 20 ›› Issue (2) : 103-105.

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Application of contrast-enhanced ultrasound in the diagnosis and differential diagnosis of renal diseases

ZHANG Da-kun1, ZHANG Xin-li1, YU Xiao-ling2, DONG Bao-wei2, ZHAO Yuan-yuan3

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Abstract

Objective: To evaluate the value of contrast-enhanced ultrasound in differential diagnosis of renal occupied lesions. Methods: Thirty-one renal occupied lesions underwent conventional and contrast-enhanced ultrasound examinations with a bolus injection of SonoVue. The perfusion characteristic of ultrasound contrast agent was assessed and the results were compared with that of pathology. Results: The renal occupied lesions included 17 malignant lesions and 14 benign lesions. Enhancement patterns of contrast-enhanced ultrasound were showed in 11 malignant renal lesions characterized by fast washing-in and fast washing-out. The perfusion characteristic of benign renal lesions was slow(or simultaneously) washing-out. There were no perfusions of contrast agent during the whole procedure in the 3 cases of renal atypical cyst. Conclusion: The contrast-enhanced ultrasound is valuable in differenting benign and malignant renal occupied lesions.

Key words

Kidney diseases / Kidney neoplasms / Ultrasonography / Doppler / color

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ZHANG Da-kun;ZHANG Xin-li;YU Xiao-ling;DONG Bao-wei;ZHAO Yuan-yuan. Application of contrast-enhanced ultrasound in the diagnosis and differential diagnosis of renal diseases[J]. Journal of China Clinic Medical Imaging. 2009, 20(2): 103-105