刊期详情

Head and Neck Imaging订阅

The Value of Non Contrast Enhanced MRA in the Diagnosis of Renal Artery Stenosis*

Author：QIN Zhi-ying, ZHANG Shu-xun, SU Min-yi,et al.

affiliation：The second people's Hospital of Nanhai District, Foshan 528251, Guangdong Province, China

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Abstract

Objective To investigate the value of non contrast enhanced MRA in the diagnosis of renal artery stenosis. Methods A total of 46 patients with suspected renal artery stenosis, Doppler ultrasound (DUS), multi slice spiral CTA (MSCTA) and non contrast enhanced MRA examination, the advantages and disadvantages of three kinds of imaging methods of evaluation. Results The sensitivity and accuracy of DUS in diagnosing renal artery stenosis were significantly lower than that of MSCTA and non contrast enhanced MRA, and the latter diagnosis was highly consistent. Conclusion DUS, MSCTA and non contrast enhanced MRA can diagnose renal artery stenosis. Non contrast agents enhance MRA sensitivity and accuracy,it is safer and can be used as the preferred screening method.

【Keyword】Renal Artery Stenosis; Non Contrast Enhanced; Magnetic Resonance Angiography; In-flow Inversion Recovery Pulse Sequence

【Chart number】R322.6+1

【Document Identification Number】A

【DOI】 10.3969/j.issn.1672- 5131.2018.01.040

Chinese journal of CT and MRI

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