TABLE 4.
Summary of histopathology findings (H and E stain).
| Organ | Finding | G1A1 | G1A4 | G2A1 | G2A4 | G3A1 | G3A4 |
|---|---|---|---|---|---|---|---|
| Lungs | Mononuclear cell infiltration, multifocal | 0 | 1 | 1 | 0 | 1 | 0 |
| Bronchitis, no alveolar lymph | 0 | 0 | 0 | 0 | 0 | 0 | |
| Normal and some enlarged alveoli, bronchopneumonia, multifocal | 0 | 0 | 0 | 0 | 0 | 0 | |
| Heart | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Adrenals | Accessory cortical nodule, focal, unilateral | 0 | 0 | 0 | 0 | 0 | 0 |
| Cortical vacuolation, diffuse, bilateral | 0 | 0 | 0 | 0 | 0 | 0 | |
| Eyes | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Liver | Mononuclear cell infiltration, focal | 0 | 1 | 0 | 0 | 0 | 1 |
| Hepatocellular vacuolation, diffuse | 0 | 0 | 0 | 0 | 0 | 0 | |
| Spleen | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Thymus | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Kidneys | Basophilic tubule, focal | 0 | 0 | 0 | 0 | 1 | 0 |
| Mononuclear cell infiltration, multifocal | 0 | 0 | 0 | 0 | 0 | 0 | |
| Testes | Tubular degeneration, multi focal, bilateral | 0 | 1 | 0 | 0 | 0 | 0 |
| Tubular degeneration, focal, unilateral | 0 | 0 | 0 | 0 | 0 | 0 | |
| Stomach | Normal gastric mucosa, no necrosis | 0 | 1 | 0 | 0 | 0 | 0 |
| Duodenum | No abnormality detected | 0 | 0 | 1 | 0 | 0 | 0 |
| Jejunum | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Ileum | No abnormality detected | 0 | 0 | 0 | 0 | 0 | 0 |
| Caecum | Neutrophilic infiltration, diffuse | 0 | 0 | 0 | 0 | 0 | 0 |
| Colon | Neutrophilic infiltration, diffuse | 0 | 0 | 0 | 0 | 0 | 0 |
| Rectum | Neutrophilic infiltration, diffuse | 0 | 0 | 0 | 0 | 0 | 0 |
| Pancreas | No abnormality detected, normal tissue | 0 | 0 | 0 | 0 | 0 | 0 |