Table 4 Histologic findings in stifle joints
Pig 1 (female, 45 kg) | Pig 2 (male, 32 kg) | Pig 3 (female, 39 kg) | |
|---|---|---|---|
Femur, articular epiphyseal cartilage | Multifocal pannus formation with demasking of collagen fibers. | ||
Femur, physis | Single cartilage cones. | Multifocal cartilage cones, multifocal chondrocyte degeneration and eosinophilic streaks. | Multifocal cartilage cones, multifocal chondrocyte degeneration, mild medullary fibrosis. |
Stifle joint, synovial membrane | Mild to moderate, multifocal to coalescent, lympho-plasmahistiocytic synovialitis. | Moderate, fibrinosuppurative, partly lympho-plasma-histiocytic synovialitis. | Mild to moderate, multifocal, lympho-plasma-histiocytic synovialitis. |