World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website http://www.wjon.org

Original Article

Volume 9, Number 5-6, November 2018, pages 145-150

Role of Diffusion-Weighted Magnetic Resonance Imaging (DWMRI) in Assessment of Primary Penile Tumor Characteristics and Its Correlations With Inguinal Lymph Node Metastasis: A Prospective Study

Figure

Figure 1.
Figure 1. (a) ROC curve on the right side; (b) ROC curve on the left side.

Tables

Table 1. ADC Value and Stage of Primary Tumor
 
ADC value (× 10-3 mm2/s)Histopathology (pT)Chi-square test variableP valuePearson’s R correlation coefficientP value
T1T2T3
0.65 - 0.7500217.2470.045-0.4960.001
0.76 - 0.85142
0.86 - 0.95444
0.95 - 1.2131
Total6119

 

Table 2. ADC Value and Histological Grade of Primary tumor
 
ADC value (× 10-3 mm2/s)GradeChi-square test variableP valuePearson’s R correlation coefficientP value
G1G2G3
0.65 - 0.7521013.1760.040-0.5250.005
0.76 - 0.85431
0.86 - 0.95830
0.95 - 1.2400
Total1871

 

Table 3. ADC Value and Histopathology of LN (Right Side)
 
ADC value (× 10-3 mm2/s)No.HPE (+ve)t-test variableP valuePearson’s R correlation coefficientP value
0.65 - 0.75994.570.0010.4570.005
0.76 - 0.8555
0.86 - 0.9599
0.95 - 1.2114
Total3427

 

Table 4. ADC Value and Histopathology of LN (Left Side)
 
ADC value (× 10-3 mm2/s)No.HPE (+ve)t-test variableP valuePearson’s R correlation coefficientP value
0.65 - 0.751095.2490.0010.3900.01
0.76 - 0.8577
0.86 - 0.9577
0.95 - 1.2101
Total3424

 

Table 5. Sizes of LNs as reported in MRI
 
LN(sz)
Rt(L) (cm)Rt(B) (cm)Lt(L) (cm)Lt(B) (cm)
1.421.061.41.1
1.21.51.91.8
1.71.451.11
1.51.51.71.7
1.111.21.1
1.71.11.51.2
1.521.41
21.31.61.8
1.61.72.11.3
1.11.61.51.1
1.41.11.11
21.11.31.2
1.11.52.62.4
1.61.21.51.1
1.71.41.41.2
1.51.22.41.4
1.21.11.51.1
1.311.71.3
1.21.22.31.8
1.51.31.41.1
1.41.81.71
1.21.11.11
2.21.32.11.7
1.41.92.11.8
1.61.21.51
2.11.52.11.6