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. 2022 Nov 16;13(1):160–170. doi: 10.21037/qims-22-234

Table 2. CEUS features of SLN versus the pathology results of SLN.

Characteristics Total SLN negative SLN positive P value
Longitudinal diameter (cm) 1.14±0.36 1.05±0.28 1.27±0.41 0.004
Transverse diameter (cm) 0.61±0.15 0.57±1.31 0.62±0.14 0.130
Distance from the skin (cm) 1.14±0.44 1.18±0.47 1.08±0.41 0.292
Aspect ratio 0.139
   <2 50 (56.8) 25 (50.0) 25 (50.0)
   ≥2 38 (43.2) 25 (65.8) 13 (34.2)
Cortical thickness 0.009
   ≥3 mm 37 (42.0) 15 (40.5) 22 (59.5)
   <3 mm 51 (58.0) 35 (68.6) 16 (31.4)
Enhancement pattern 0.000
   Type I 47 (53.4) 40 (85.1) 7 (14.9)
   Type II–III 41 (46.6) 10 (24.4) 31 (75.6)

Data are shown as mean ± standard deviation or n (%). CEUS, contrast-enhanced ultrasound; SLN, sentinel lymph node.