TABLE 2.
Method | Lesion | Process | Severitya | Distribution | PBS | UFCB | AB | SWCNT |
H&E | Histiocytosis | Moderate | Diffuse | 6/6 | ||||
Inflammation | Minimal | Focal, subpleural | 1/6 | |||||
Inflammation | Mild | Perivascular | 3/6 | |||||
Inflammation | AM | Mild | Multifocal | 2/6 | ||||
Inflammation | AM | Moderate | Multifocal | 4/6 | ||||
Inflammation | Granuloma | Minimal | Focal | 1/6 | ||||
Inflammation | Pyogranulomatous | Moderate | Multifocal | 7/7 | ||||
TB | Histiocytosis | Moderate | Diffuse | 5/6 | ||||
Histiocytosis | Severe | Diffuse | 1/6 | |||||
Inflammation | Minimal | Focal, subpleural | 1/6 | |||||
Inflammation | AM | Mild | Multifocal | 2/6 | ||||
Inflammation | AM | Moderate | Multifocal | 4/6 | ||||
Inflammation | Pyogranulomatous | Moderate | Multifocal | 7/7 | ||||
Fibrosis | Minimal | 1/6 | 2/6 | |||||
Fibrosis | Mild | 4/6 | 7/7 |
Note. TB, trichrome blue; H&E, hemostatin and eosin.
For all endpoints, the process appeared to be chronic rather than acute as was active for the perivascular inflammation in the UFCB group.