Table 2 Univariate analysis of ultrasound features of LNM-MTC in the lateral and central groups
Lateral (n, %) (n = 34) | Central (n, %) (n = 18) | P value | |
|---|---|---|---|
Long-axis diameter | |||
> 8.95 | 32 (94.12) | 13 (72.22) | 0.041* |
< 8.95 | 2 (5.88) | 5 (27.78) | |
Short-axis diameter | |||
> 7.85 | 16 (47.06) | 8 (44.44) | 0.857 |
< 7.85 | 18 (52.94) | 10 (55.56) | |
L/S | |||
≤ 2 | 17 (50) | 13 (72.22) | 0.123 |
> 2 | 17 (50) | 5 (27.78) | |
Shape | |||
Irregular | 2 (5.88) | 1 (5.6) | 1.000* |
Regular | 32 (94.12) | 17 (94.44) | |
Border | |||
Unsharp | 2 (5.88) | 0 (0) | 0.538* |
Sharp | 32 (94.12) | 18 (100) | |
Hilum | |||
Absent | 31 (91.18) | 16 (88.89) | 1.000* |
Present | 3 (8.82) | 2 (11.11) | |
Echogenicity | |||
Hyperechoic | 13 (38.24) | 6 (33.33) | 0.727 |
Isoechoic or hypoechoic | 21 (61.76) | 12 (66.67) | |
Calcifications | |||
Present | 7 (20.58) | 4 (22.22) | 1.000* |
Absent | 27 (79.41) | 14 (77.78) | |
Cystic change | |||
Present | 2 (5.88) | 0 (0) | 0.538* |
Absent | 32 (55.88) | 18 (100) | |
Vascularity pattern | |||
Abnormal flow | 22 (64.71) | 9 (50) | 0.304 |
Hilar flow or absent flow | 12 (35.29) | 9 (50) |