Table 6.
Imaging parameters stratified by histopathological grading of prominent muscle hypertrophy or fibrosis [in 35 patients with CD and 40 ileal segments analysed].
| Prominent fibrosis [n*** = 9] | Prominent muscle hypertrophy [n*** = 31] | p | |
|---|---|---|---|
| Length of involved bowel [cm] | 5.22 ± 3.07 | 8.87 ± 5.68 | 0.052 |
| Pattern of enhancement at 25 s* | 0.432 | ||
| • Homogeneous | 5 [56%] | 9 [35%] | |
| • Layered/mucosal only | 4 [44%] | 17 [65%] | |
| Pattern of enhancement at 60 s | 0.457 | ||
| • Homogeneous | 6 [67%] | 15 [48%] | |
| • Layered/mucosal only | 3 [33%] | 16 [52%] | |
| Pattern of enhancement at 180 s** | 0.66 | ||
| • Homogeneous | 7 [87%] | 23 [77%] | |
| • Layered/mucosal only | 1 [12%] | 7 [23%] | |
| Degree of enhancement at 60 s | 0.061 | ||
| • Mild | 3 [33%] | 2 [7%] | |
| • Moderate | 0 [0%] | 5 [16%] | |
| • Marked | 6 [67%] | 24 [77%] | |
| Ulceration | 3 [33%] | 21 [68%] | 0.12 |
| Fistula | 0 [0%] | 9 [29%] | 0.09 |
| Abscess | 0 [0%] | 12 [39%] | 0.037 |
| Comb sign | 1 [11%] | 20 [65%] | 0.007 |
| Upstream dilation | 13 [42%] | 18 [58%] | 1 |
| Enhancement ratio at 25 s* [%] | 196.4 ± 100.7 | 167.8 ± 77.9 | 0.516 |
| Enhancement ratio at 60 s [%] | 196.6 ± 73.5 | 189.9 ± 63.7 | 0.799 |
| Enhancement ratio at 180 s** [%] | 197.9 ± 66.0 | 178.7 ± 54.8 | 0.337 |
| ADC [ × 10-3 mm2/s]* | 1.22 ± 0.34 | 1.12 ± 0.17 | 0.658 |
| Wall thickness on T1WI post-contrast [mm] | 6.62 ± 2.79 | 8.83 ± 3.52 | 0.055 |
| Wall thickness on T2WI [mm] | 6.11 ± 1.85 | 7.79 ± 2.08 | 0.028 |
| MaRIa score | 23.1 ± 7.9 | 29.0 ± 8.8 | 0.059 |
| Clermont score | 26.7 ± 7.8 | 33.0 ± 7.7 | 0.056 |
Significant p-values are bolded. Quantitative data are presented as mean ± standard deviation. Qualitative data are presented as number of cases [percentage of cases].
*Not available in five patients.
**Not available in two patients.
***Number of bowel segments.