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©The Author(s) 2025.
World J Gastrointest Surg. Jun 27, 2025; 17(6): 103298
Published online Jun 27, 2025. doi: 10.4240/wjgs.v17.i6.103298
Published online Jun 27, 2025. doi: 10.4240/wjgs.v17.i6.103298
Table 1 Qualitative diagnosis of the disease
Diagnostic method | Gold standard (n) | Sensitivity (%) | Specificity (%) | Accuracy (%) | Positive predictive value (%) | Negative predictive value (%) | ||
Malignant | Benign | |||||||
Magnetic resonance T2WI | Malignant | 64 | 10 | 84.21 | 77.27 | 81.67 | 86.49 | 73.91 |
Benign | 12 | 34 | 86.84 | 75.00 | 82.50 | 85.71 | 76.74 | |
Diffusion-Weighted Imaging | Malignant | 66 | 11 | |||||
Benign | 10 | 33 | 97.37 | 97.73 | 97.50 | 98.67 | 95.56 | |
Combined | Malignant | 74 | 1 | |||||
Benign | 2 | 43 | ||||||
χ2 value | 7.824 | 9.927 | 17.098 | 9.042 | 8.477 | |||
P value | 0.020 | 0.007 | < 0.001 | 0.011 | 0.014 |
Table 2 Diagnostic value in clinical staging
Diagnostic method | Gold standard (n) | Sensitivity (%) | Specificity (%) | Accuracy (%) | Positive predictive value (%) | Negative predictive value (%) | ||
T1-T2 | T3-T4 | |||||||
Magnetic resonance T2WI | T1-T2 | 25 | 12 | 69.44 | 70.00 | 69.74 | 67.57 | 71.79 |
T3-T4 | 11 | 28 | 72.22 | 72.50 | 72.37 | 70.27 | 74.36 | |
Diffusion-weighted imaging | T1-T2 | 26 | 11 | |||||
T3-T4 | 10 | 29 | 94.44 | 95.00 | 94.74 | 94.44 | 95.00 | |
Combined | T1-T2 | 34 | 2 | |||||
T3-T4 | 2 | 38 | ||||||
χ2 value | 8.065 | 9.196 | 17.258 | 9.062 | 8.180 | |||
P value | 0.018 | 0.010 | < 0.001 | 0.011 | 0.017 |
Table 3 Diagnostic value in lymph node staging
Diagnostic method | Gold standard (n) | Sensitivity (%) | Specificity (%) | Accuracy (%) | Positive predictive value (%) | Negative predictive value (%) | ||
Lymph node metastasis | Yes | No | ||||||
Magnetic resonance T2WI | Yes | 29 | 12 | 74.36 | 67.57 | 71.05 | 70.73 | 71.43 |
No | 10 | 25 | 71.79 | 72.97 | 72.37 | 73.68 | 71.05 | |
Diffusion-weighted imaging | Yes | 28 | 10 | |||||
No | 11 | 27 | 94.87 | 94.59 | 94.74 | 94.87 | 94.59 | |
Combined | Yes | 37 | 2 | |||||
No | 2 | 35 | ||||||
χ2 value | 7.901 | 8.931 | 16.546 | 8.425 | 8.105 | |||
P value | 0.019 | 0.011 | < 0.001 | 0.015 | 0.017 |
- Citation: Li YX, Cai SL, Peng MY, Wang TX, Geng W, Ma YH. T2 magnetic resonance imaging combined with diffusion-weighted imaging for colon cancer lymph nodes. World J Gastrointest Surg 2025; 17(6): 103298
- URL: https://www.wjgnet.com/1948-9366/full/v17/i6/103298.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v17.i6.103298