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Erschienen in:
01.02.2011 | Erratum
Erratum to: Perfusion changes in gastric adenocarcinoma: evaluation with 64-section MDCT
Erschienen in: Abdominal Radiology | Ausgabe 1/2011
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In the Tables 1, 2, 3, and 5, the unit of perfusion was stated incorrectly as mL/100 g/min. It should have been stated as mL/min/mL. The corrected tables are as follows:
Table 1
Intraobserver variability for PF, PE, TTP, and BV measurement of normal stomach
|
Parameter measurement
|
ICCa (95% CI)
|
Mean difference
|
SD
|
95% limits of agreement
|
|---|---|---|---|---|
|
PF (mL/min/mL)
|
0.929 (0.894–0.952)
|
−1.44
|
13.69
|
−28.27, 25.38
|
|
PE (Hu)
|
0.969 (0.954–0.979)
|
−0.29
|
8.24
|
−16.45, 15.87
|
|
TTP (s)
|
0.816 (0.726–0.877)
|
0.21
|
10.22
|
−19.83, 20.25
|
|
BV (mL/100 g)
|
0.936 (0.905–0.957)
|
0.24
|
5.81
|
−11.14, 11.62
|
Table 2
Intraobserver variability for PF, PE, TTP, and BV measurement of gastric adenocarcinoma
|
Parameter measurement
|
ICCa (95% CI)
|
Mean difference
|
SD
|
95% limits of agreement
|
|---|---|---|---|---|
|
PF (mL/min/mL)
|
0.922 (0.868–0.954)
|
2.38
|
8.05
|
−13.39, 18.15
|
|
PE (Hu)
|
0.990 (0.984–0.994)
|
0.10
|
2.25
|
−4.30, 4.51
|
|
TTP (s)
|
0.969 (0.948–0.982)
|
−1.21
|
4.20
|
−9.45, 7.03
|
|
BV (mL/100 g)
|
0.968 (0.947–0.981)
|
−0.68
|
5.23
|
−10.94, 9.58
|
Table 3
Perfusion values in gastric adenocarcinoma vs. in normal stomach
|
Location
|
Perfusion parameter
|
Tumora
|
Normal stomacha
|
P value
|
|---|---|---|---|---|
|
Cardia
|
PF (mL/min/mL)
|
28.87 ± 11.50
|
24.58 ± 20.91
|
0.45
|
|
PE (Hu)
|
24.51 ± 8.94
|
20.55 ± 11.49
|
0.20
|
|
|
TTP (s)
|
29.98 ± 13.12
|
31.42 ± 15.22
|
0.55
|
|
|
BV (mL/100 g)
|
19.78 ± 21.02
|
12.35 ± 12.93
|
0.14
|
|
|
Body
|
PF (mL/min/mL)
|
31.73 ± 19.56
|
40.98 ± 30.29
|
0.19
|
|
PE (Hu)
|
29.49 ± 11.70
|
35.28 ± 29.95
|
0.48
|
|
|
TTP (s)
|
31.28 ± 11.54
|
30.18 ± 8.89
|
0.75
|
|
|
BV (mL/100 g)
|
16.02 ± 7.02
|
15.47 ± 11.13
|
0.83
|
|
|
Antrum and pylorus
|
PF (mL/min/mL)
|
28.02 ± 14.96
|
30.35 ± 14.40
|
0.59
|
|
PE (Hu)
|
28.67 ± 15.87
|
29.02 ± 12.23
|
0.93
|
|
|
TTP (s)
|
34.77 ± 12.23
|
34.29 ± 11.71
|
0.89
|
|
|
BV (mL/100 g)
|
20.80 ± 12.41
|
11.29 ± 9.99
|
0.006
|
|
|
Whole stomach
|
PF (mL/min/mL)
|
30.28 ± 14.89
|
32.85 ± 25.69
|
0.49
|
|
PE (Hu)
|
27.89 ± 11.29
|
29.06 ± 23.30
|
0.72
|
|
|
TTP (s)
|
32.60 ± 12.30
|
31.46 ± 11.86
|
0.57
|
|
|
BV (mL/100 g)
|
19.75 ± 14.74
|
13.59 ± 11.46
|
0.004
|
Table 5
Perfusion values of subgroups with lymph node metastases vs. without lymph node metastases
|
Perfusion parameter
|
With lymph node metastases (n = 29)a
|
Without lymph node metastases (n = 13)a
|
P value
|
|---|---|---|---|
|
PF (mL/min/mL)
|
30.67 ± 12.36
|
31.10 ± 21.35
|
0.93
|
|
PE (Hu)
|
29.32 ± 9.90
|
25.44 ± 11.17
|
0.29
|
|
TTP (s)
|
32.58 ± 11.99
|
32.55 ± 16.51
|
0.99
|
|
BV (mL/100 g)
|
18.75 ± 9.89
|
15.62 ± 11.15
|
0.39
|