Dynamic Contrast Enhanced MRI Can Monitor the Very Early Inflammatory Treatment Response upon Intra-Articular Steroid Injection in the Knee Joint: A Case Report with Review of the Literature
Table 1
Body part
Acq. Date
ROI name
Mean ME
Std. Dev. ME
Mean IRE
Std. Dev. IRE
N-persistent
N-plateau
N-washout
N-total
N-persistent + N-washout
ME normalized*
IRE normalized*
KNEE
Baseline
Fully automatic
1.59
0.23
0.010
0.01
45
609
185
839
794
1262
7.94
KNEE
Day 1
Fully automatic
1.59
0.37
0.011
0.02
57
590
313
960
903
1436
9.93
KNEE
Day 2
Fully automatic
1.63
0.28
0.015
0.02
28
119
132
279
251
410
3.77
KNEE
Day 7
Fully automatic
1.72
0.40
0.024
0.03
48
118
89
255
207
356
4.97
KNEE
Baseline
Synovium
1.59
0.23
0.008
0.01
29
531
85
645
616
979
4.93
KNEE
Day 1
Synovium
1.46
0.16
0.004
0.001
24
376
103
503
479
701
1.92
KNEE
Day 2
Synovium
1.43
0.09
0.002
0.001
16
39
23
78
62
88
0.12
KNEE
Day 7
Synovium
1.47
0.13
0.003
0.001
8
31
4
43
35
52
0.11
KNEE
Baseline
Vessel
1.79
0.19
0.038
0.02
0
10
65
75
75
134
2.85
KNEE
Day 1
Vessel
2.06
0.39
0.041
0.02
0
10
56
66
66
136
2.71
KNEE
Day 2
Vessel
2.00
0.24
0.037
0.01
0
10
51
56
56
112
2.47
KNEE
Day 7
Vessel
2.14
0.36
0.054
0.03
0
9
61
70
70
150
3.78
*Normalized values: sum of total number of voxels with plateau and washout information multiplied by the ME and IRE, respectively.
