Table 2 CT morphological characterization of benign, primary and secondary malignant pulmonary nodules
From: The role of dynamic contrast-enhanced CT in characterization of solitary solid pulmonary nodules
Benign nodule (n = 8) | Primary malignant (n = 15) | Secondary malignant (n = 17) | Test of significance | |
|---|---|---|---|---|
p (value) | ||||
Margin | ≤ 0.001* | |||
Regular | 3(37.5%) | 1(6.7%) | 14(82.4%) | |
Irregular | 5(62.5%) | 14(93.3%) | 3(17.6%) | |
Size | 1.40 ± 0.48 | 1.89 ± 0.78 | 1.45 ± 0.59 | p = 0.118 |
Speculation | ≤ 0.001* | |||
No | 8(100%) | 1(6.7%) | 16(94.1%) | |
Speculated | 0(0%) | 14(93.3%) | 1(5.9%) | |
Lobulation | 0.851 | |||
Yes | 1 (12.5%) | 3 (20.0%) | 2 (11.8%) | |
No | 7 (87.5%) | 12 (80.0%) | 15 (88.2%) | |
Calcification | 0.671 | |||
Yes | 1 (12.5%) | 0 (0%) | 1(5.9%) | |
No | 7 (87.5%) | 15 (100%) | 16(94.1%) | |
Cavitation | 0.206 | |||
Yes | 3(37.5%) | 1(6.7%) | 3(17.6%) | |
No | 5(62.5%) | 14(93.3%) | 14 (82.4%) |