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Comparison of the degree of carotid stenosis with elliptic centric contrast-enhanced MR angiography, spiral CT angiography, and DSA
| Degree of Stenosis | Degree of Stenosis at DSA |
|||
|---|---|---|---|---|
| 0–49% | 50–69% | 70–99% | Occlusion | |
| MR angiography | ||||
| 0–49% | 32 | 0 | 0 | 0 |
| 50–69% | 0 | 8 | 1 | 0 |
| 70–99% | 0 | 2 | 34 | 0 |
| Occlusion | 0 | 0 | 0 | 3 |
| CT angiography | ||||
| 0–49% | 26 | 2 | 1 | 0 |
| 50–69% | 6 | 7 | 8 | 0 |
| 70–99% | 0 | 1 | 26 | 0 |
| Occlusion | 0 | 0 | 0 | 3 |
Note.—Data are number of arteries (n = 80).
