Table 2 Conditions of vessels in GGNs
Parameters | Malignant GGN (n = 149) | Benign GGN (n = 130) | p value |
|---|---|---|---|
Intranodular vessel | |||
Yes | 101 (67.79) | 71 (54.62) | 0.024 |
No | 48 (32.21) | 59 (45.38) | |
Number of internal vessels | |||
1 | 60 (59.41) | 48 (67.61) | 0.346 |
2 | 30 (29.70) | 19 (26.76) | |
3 | 9 (8.91) | 4 (5.63) | |
≥ 4 | 2 (1.98) | 0 (0) | |
Kinds of internal vessels | |||
PA | 34 (33.66) | 27 (38.03) | 0.663 |
PV | 29 (28.71) | 22 (30.99) | |
PA + PV | 38 (37.62) | 22 (30.99) | |
Vascular changes | |||
Without significant changes | 48 (47.52) | 58 (81.69) | < 0.0001 |
Distorted/dilated | 53 (52.48) | 13 (18.31) | |
PA distorted/dilated | 14/72 (19.44) | 10/49 (20.41) | 0.896 |
PV distorted/dilated | 41/67 (61.19) | 4/44 (9.09) | < 0.0001 |