Objective To investigate the diagnosis value of aortic aneurysm with MRI.Methods Two radiologist analysed 312 cases MRI of clinically suspected aortic aneurysm retrospectively,and screening 198 cases of aortic aneurysm,analysed by double blind method.Among these patients,there were 112 male and 87 female,aged 9 to 82 years(mean age of 50.4 years).86 cases underwent X-ray angiography(XRA) examination,and 79 cases with operation.Results The MRI showed 22 cases of ture aneurysm,19 of false aneurysm,127 of dissecting aneurysm,26 of Marfan′s syndrome and 4 of compound aneurysm.Contrast analysed the XRA,CT and operation,the sensitivity and accuracy of MRI is 99% and 94%.Conclusion The MRI is an accurate and safe method for detecting aortic aneurysm.
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