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Blinded-Reader Comparison of MR & Duplex Ultrasonography for Carotid Artery Bifurcation Stenosis Stroke 25:4-10, 11994., Mittl,R.L.,et al, 1994 See this aricle in Pubmed Article Abstract MRA had no false positives or false negatives for complete occlusions of the carotid artery,whereas duplex ultrasonography missed one occlusion and falsely called two patent vessels occluded.In several cases,both MRA and duplex ultrasonography overestimated stenoses to miscategorize them as surgical disease.Although the severity and specificity of MRA and duplex ultrasonography are not significantly different for distinguishing surgical and nonsurgical degrees of stenosis at the carotid bifurcation, MRA has some advantages that may make it the screening rest of choice. Concordant MRA and duplex ultrasonography for surgical disease does not necessarily obviate the need for catheter anteriography.

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(click to filter results - removes previous filter) carotid angiogram carotid artery disease carotid artery disease,noninvasive evaluation of carotid artery stenosis duplex ultrasound endarterectomy,carotid interobserver agreement MRI MRI,angiography ultrasonography ultrasonography,carotid artery

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