Tumor consistency, SI ratio, and CE-FIESTA findings compared with collagen contents
| Tumor Consistency at Surgery | P Value | ||
|---|---|---|---|
| Hard (n = 5) | Soft (n = 24) | ||
| Collagen contents, % | 46.6 ± 20.2 | 14.4 ± 14.5 | .0002 |
| T2WI SI ratioa | 1.20 ± 0.16 | 1.29 ± 0.19 | .3271 |
| CE-FIESTA SI ratioa | 1.32 ± 0.35 | 1.85 ± 0.17 | .0106 |
| MR Sequences | MR Findings | Radiologist 1 | Radiologist 2 | P Value | ||
|---|---|---|---|---|---|---|
| Collagen Contents, % | P Value | MR Findings | Collagen Contents, % | |||
| CE-FIESTA | Solid (8) | 40.9 ± 26.3 | <.0001 | Solid (7) | 35.7 ± 25.2 | .012 |
| Mosaic (21) | 12.0 ± 7.5 | Mosaic (22) | 14.9 ± 15.0 | |||
| CE-T1WI | Solid (22) | 21.1 ± 21.2 | .5733 | Solid (20) | 22.2 ± 20.4 | .3642 |
| Mosaic (7) | 16.2 ± 14.5 | Mosaic (9) | 14.9 ± 18.0 | |||
| T2WI | Solid (18) | 20.8 ± 23.5 | .7632 | Solid (14) | 20.6 ± 21.7 | .8734 |
| Mosaic (11) | 18.5 ± 11.7 | Mosaic (15) | 19.4 ± 18.2 | |||
Note:—Numbers in parentheses indicate number of cases in each category.
Data are mean ± SD.
↵a SI on T2WI and CE-FIESTA of tumor to SI on each of white matter, respectively.