Patient demographics, imaging findings, and technique preferences for dissections imaged with both CT/CTA and MR imaging/MRA
| No. | Age (yr)/sex | Vessels Involved | T/S | Time between Studies | Stroke | Vessel Occlusion | Irregularity | Pseudo-aneurysm | Intimal Flap | Wall Thickening | Crescent Sign | Preferred | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CT | MR | CT | MR | CT | MR | CT | MR | CT | MR | CT | MR | ||||||
| 1 | 35/M | RICA | T | 1 day | Y | Y | N | N | Y | Y | N | N | N | N | Y | Y | Equal |
| 2 | 34/M | RICA | T | 1 day | Y | Y | N | N | N | N | Y | N | Y | N | Y | N | CTA |
| 3 | 62/M | LICA | S | 2 days | N | N | N | N | Y | Y | N | N | N | N | Y | Y | Equal |
| 4 | 36/M | RV | T | Same day | N | N | N | Y | Y | N | N | N | N | N | Y | N | CTA |
| 5 | 52/M | LICA | T | 1 day* | Y | Y | N | N | Y | Y | Y | N | Y | N | Y | Y | MRI |
| 6 | 34/M | LV | S | 3 days | Y | Y | Y | Y | Y | Y | N | N | N | N | Y | N | Equal |
| 7 | 62/M | RICA | S | 1 day | N | Y | N | N | Y | Y | N | N | N | N | Y | Y | Equal |
| 8 | 48/M | LICA | T | 1 day | N | Y | N | N | Y | Y | N | N | N | N | Y | Y | Equal |
| RICA | N | N | Y | Y | N | N | N | N | Y | Y | Equal | ||||||
| 9 | 31/M | LV | S | 1 day | Y | Y | N | N | Y | Y | N | N | N | N | Y | Y | CTA |
| 10 | 48/M | RICA | S | Same day | Y | Y | N | N | Y | Y | N | N | Y | N | Y | Y | CTA |
| 11 | 51/F | LV | S | 2 days | Y | Y | Y | Y | Y | N | N | N | N | N | N | N | Equal |
| 12 | 40/F | RICA | T | 2 days* | Y | Y | Y | Y | Y | N | N | N | N | N | Y | Y | CTA |
| LV | N | N | Y | Y | N | N | N | N | Y | Y | CTA | ||||||
| RV | N | N | Y | Y | Y | N | Y | N | Y | N | CTA | ||||||
| 13 | 39/F | RICA | T | Same day | Y | Y | N | N | Y | N | N | N | N | N | N | Y | CTA |
| 14 | 45/F | LICA | S | 1 day | Y | Y | N | Y | Y | Y | Y | N | Y | N | Y | Y | Equal |
| 15 | 25/F | LICA | T | 2 days | N | N | N | N | Y | Y | N | N | N | N | Y | Y | Equal |
| RICA | N | N | Y | Y | Y | Y | Y | N | Y | Y | Equal | ||||||
| RV | N | N | Y | Y | N | N | N | N | Y | Y | CTA | ||||||
| 16 | 31/F | LICA | S | 1 day* | N | N | N | N | Y | Y | Y | Y | Y | N | Y | Y | CTA |
| LV | N | N | Y | N | N | N | N | N | Y | Y | CTA | ||||||
| RV | N | N | Y | N | N | N | N | N | Y | N | CTA | ||||||
| 17 | 47/F | LICA | T | Same day | N | Y | N | N | Y | Y | N | N | Y | N | Y | Y | Equal |
| 18 | 29/F | LV | S | 4 days | Y | Y | N | Y | Y | Y | N | N | N | N | Y | Y | CTA |
| κ† | 0.62 | 0.60 | 0.19 | 0.43 | 0 | 0.15 | |||||||||||
| P‡ | 0.003 | 0.001 | 0.051 | 0.005 | 0.5 | 0.185 | |||||||||||
Note:—T indicates traumatic; S, spontaneous; MR, MR imaging/MRA; Y, yes; N, no; LICA, left internal carotid artery; RICA, right internal carotid artery; LV, left vertebral artery; RV, right vertebral artery.
* CT/CTA study was performed after the MRI/MRA study.
† κ values represent the concordance of the finding with the 2 different imaging techniques. κ is high for all findings except the presence of intimal flap and wall thickening/crescent sign.
‡ Based on asymptotic SE.