Table 1. Pathologic Findings on TBB in UIP Patients.
| Case No. | Site of TBB | No. of Pieces of Alveolated Parenchyma | No. of Pieces of Bronchial Wall | Pathologic Findings | Pathologic Diagnosis |
|---|---|---|---|---|---|
| 2 | RLL | 5 | 1 | Patchwork fibrosis, ff, HCC | UIP |
| 3 | na | 3 | 1 | Patchwork fibrosis, ff | UIP |
| 4 | RLL | 3 | 1 | Patchwork fibrosis, ff | UIP |
| 10 | RLL and RUL | 3 | 3 | Patchwork fibrosis, HCC | UIP |
| 16 | na | 2 | 4 | Patchwork fibrosis, ff | UIP |
| 17 | LUL | 5 | 1 | Patchwork fibrosis, ff | UIP |
| 22 | na | 2 | 2 | Patchwork fibrosis, ff | UIP |
| 13 | RUL | 3 | 0 | Fibrosis, ff | Consistent with UIP |
| 14 | RLL | 2 | 1 | Fibrosis, HCC | Consistent with UIP |
| 1 | RLL | 1 | 0 | Fibrosis | Nonspecific |
| 5 | LLL | 2 | 1 | Patchwork fibrosis | Nonspecific |
| 7 | RLL | 2 | 6 | Fibrosis | Nonspecific |
| 9 | RLL | 2 | 0 | Fibrosis | Nonspecific |
| 11 | na | 2 | 0 | Fibrosis | Nonspecific |
| 12 | RUL | 1 | 2 | Patchwork fibrosis | Nonspecific |
| 15 | na | 2 | 0 | Fibrosis | Nonspecific |
| 18 | LLL | 4 | 2 | Patchwork fibrosis | Nonspecific |
| 19 | Left lung | 3 | 0 | Fibrosis | Nonspecific |
| 6 | RML | 0 | 4 | Only bronchial wall | Insufficient |
| 8 | RLL | 0 | 5 | Only bronchial wall | Insufficient |
| 20 | na | 0 | 5 | Only bronchial wall | Insufficient |
| 21 | RLL | 0 | 3 | Only bronchial wall | Insufficient |
*
ff = fibroblast foci; HCC = honeycomb change; RLL = right lower lobe; RUL = right upper lobe; RML = right middle lobe; LUL = left upper lobe; LLL = left lower lobe; na = not available.