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Table 3 Characteristics of lymph nodes observed on CT and MRI

From: Computed tomography and magnetic resonance imaging evaluation of pelvic lymph node metastasis in bladder cancer

Characteristic No. of lymph nodes P value
Non-metastatic, (n = 31) Metastatic, (n = 51)
Short-axis diameter (d)    0.017
 d ≥ 10.0 mm 1 15  
 8.0 mm ≤ d < 10.0 mm 10 14  
 5.0 mm ≤ d < 8.0 mm 11 16  
 3.0 mm ≤ d < 5.0 mm 9 6  
Fatty hilum 4 0 0.009
Ratio of short- to long-axis diameter ≤ 0.4 5 0 0.003
Spiculate or obscure margin 0 8 0.021
Necrosis 0 9 0.014
Enhancement degree    0.246
 Mild-moderate 13 15  
 Remarkable 18 36  
Restricted diffusion on DW MRI 5 7 0.767
  1. CT computed tomography, MRI magnetic resonance imaging, DW diffusion-weighted