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- W2360596754 abstract "Objective To evaluate the accuracy of double dose 3D DCE MRA in the diagnosis of carotid artery stenosis. Methods Ultrasound, double dose 3D DCE MRA and DSA were performed in 22 patients with clinal suspected carotid artery stenosis. The images of DCE MRA were reprojected with maximum intensity projection (MIP) and mutiplannar projection reconstuction (MPR).The common carotid artery method (CCM) of measurement was used in evaluating carotid artery stenosis. After we compared the findings of US, 3D DCE MRA with DSA as a golden standard, sensitivity, specificity, diagnositic accuracy,overestimation and underestimation were assessed. Results ①Of 22 cases,DSA provided 44 diagnostic judgements: 17 were negative and 27 were positive (mild stenosis 2, moderate stenosis 8, severe stenosis 12, occlusion 5). 3D DCE MRA was in agreement with DSA in 40 (90.9%), with 3 overestimation and 1 underestimation. ②Taking negative and positive cases as a judgement point, 3D DCE MRA showed higher sensitivity, specificity and diagnostic accuracy than ultrasound (100% vs 96.3%,82.4% vs 58.8%,93.2% vs 81.8%, respectively). ③Taking 70% stenosis as the judgement, 3D DCE MRA obviously showed higher sensitivity,specificity and diagnostic accuracy than US (94.1% vs 64.7%,96.3% vs 88.9%,95.5% vs 79.5%, respectively). Conclusion Compared with US, 3D DCE MRA is more accurate in the evaluation of carotid artery stenosis. A combination of US and 3D DCE MRA is of great help in the screening,diagnosing and monitoring of carotid artery stenosis." @default.
- W2360596754 created "2016-06-24" @default.
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- W2360596754 date "2002-01-01" @default.
- W2360596754 modified "2023-09-25" @default.
- W2360596754 title "Comparative Study of Three-Dimensional Dynamic Contrast-Enhanced MR Angiography in the Diagnosis of Carotid Artery Stenosis" @default.
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