Feeder characterization and level localization of various spinal vascular malformations using different MR imaging sequences
| VHHT2WI | TRCE MRA | Combined Approach | ||||
|---|---|---|---|---|---|---|
| Obs. 1 | Obs. 2 | Obs. 1 | Obs. 2 | Obs. 1 | Obs. 2 | |
| SDAVF | ||||||
| Exact level | 7/11 (64%) | 6/11 (54%) | 7/11 (64%) | 7/11 (64%) | 7/11 (64%) | 7/11 (64%) |
| Within 1 vertebral level | 10/11 (91%) | 8/11 (73%) | 8/11 (73%) | 8/11 (73%) | 10/11 (91%) | 10/11 (91%) |
| SCAVM | ||||||
| Dominant feeder | 6/10 (60%) | 6/10 (60%) | 8/10 (80%) | 8/10 (80%) | 8/10 (80%) | 8/10 (80%) |
| All feeders | 6/24 (25%) | 7/24 (29%) | 13/24 (54%) | 16/24 (67%) | 13/24 (24%) | 16/24 (67%) |
| PMAVF | ||||||
| Dominant feeder | 4/5 (80%) | 3/5 (60%) | 4/5 (80%) | 4/5 (80%) | 4/5 (80%) | 4/5 (80%) |
| All feeders | 4/7 (57%) | 3/7 (43%) | 4/7 (57%) | 5/7 (71%) | 4/7 (57%) | 5/7 (71%) |
Note:—Obs. Indicates observer.