Table 3.
Correlation of thin-section CT findings with histological findings in 172 resected lobes
| Histological findings | Thin-section CT findings
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Normal (79) | LAA (37) | DICN (11) | GGAR (12) | GGAR + LAA (3) | CCVW + LAA (9) | CCVW + GGAR (7) | CCVW + LAA + GGAR (14) | CCVW (all) (30) | |
| Normal (48) | 44 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Em (26) | 12 | 11 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
| SRIF (5) | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 1 |
| SRIF + Em (58) | 9 | 18 | 5 | 6 | 3 | 5 | 3 | 9 | 17 |
| SRIF + RB (1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SRIF + Em + RB (4) | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| RB (6) | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| RB + Em (5) | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| UIP (1) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| UIP + Em (2) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| UIP + Em + SRIF (9) | 0 | 0 | 0 | 2 | 0 | 1 | 2 | 4 | 7 |
| UIP + Em + SRIF + RB (1) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Others (6) | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 |
Note: The numbers in parentheses correspond to the number of total cases for each row.
Abbreviations: CT, computed tomography; DICN, diffuse ill-defined centrilobular nodules; LAA, low attenuation area; GGAR, ground-glass attenuation with/without reticulation; CCVW, clustered cysts with visible walls; Em, emphysema; SRIF, smoking-related interstitial fibrosis; RB, respiratory bronchiolitis; UIP, usual interstitial pneumonia.