Dynamic Contrast-Enhanced MR with Quantitative Perfusion Analysis of Small Bowel in Vascular Assessment between Inflammatory and Fibrotic Lesions in Crohnʼs Disease: A Feasibility Study
Table 2
The functional data obtained in bowel wall for active inflammation and chronic inflammation and normal findings by semiquantitative analysis of DCE‐perfusion study.
Functional parameters
Active inflammation
Chronic inflammation
Normal bowel
p value
(26 patients)
(11 patients)
(37 patients)
()
RAE (%)
<0.001
1st qt
97.1
46.9
39.7
Median
116.1
56.4
44
3rd qt
110.8
71.2
52.9
RVE (%)
<0.001
1st qt
113.4
73.3
56.9
Median
125.3
81.2
71
3rd qt
136.9
94.1
79.7
RLE (%)
<0.001
1st qt
116.2
79.7
51
Median
127.1
85.4
57.9
3rd qt
141.0
103.1
64.1
TTP (sec)
<0.029
1st qt
141.3
182.4
169.1
Median
157
203.4
162.3
3rd qt
176.2
214.5
185.8
ME (%)
1st qt
978.6
720.3
633.3
<0.039
Median
1054.7
809.6
749.8
3rd qt
1098.4
861.2
809.09
RAE: relative arterial enhancement; RVE: relative venous enhancement; RLE: relative late enhancement; TTP: time to peak; ME: maximum enhancement.
