Difference between revisions of "Pleuritis"
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==Pleuritis== | ==Pleuritis== | ||
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*Granulomatous pleuritis may cause [[Bones Hyperplastic and Neoplastic - Pathology#Hypertrophic osteopathy|hypertrophic osteopathy]] | *Granulomatous pleuritis may cause [[Bones Hyperplastic and Neoplastic - Pathology#Hypertrophic osteopathy|hypertrophic osteopathy]] | ||
| − | ===Pyothorax (Thoracic empyema)=== | + | ===[[Pyothorax]] (Thoracic empyema)=== |
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Revision as of 16:25, 20 February 2011
Pleuritis
- Inflammation of the pleura
- Common in animals
- Inflammatory agents reach the pleura by:
- Extension from pneumonia
- Pleuropneumonia (fibrinous bronchopneumonia)- inflammation of mesothelial cells associated with parenchymal disease due to bacterial infection
- Bloodstream
- Trans-diaphragmatic lymphatics from peritoneal cavity
- Penetration of the chest
- From mediastinal abscessation
- Penetration from oesophagus or abdominal viscus (commonly bovine traumatic recticulitis)
- Extension from pneumonia
- Common acute forms:
- Purulent
- Fibrinous
- Common sequele:
- Organising fibrinous pleuritis in which the visceral pleura becomes enveloped in a restrictive fibrous blanket
- Pleural adhesions, especially common in ruminants and pigs
- Common sequele:
- Granulomatous pleuritis may cause hypertrophic osteopathy
Pyothorax (Thoracic empyema)
Infectious causes of pleuritis
| . | VIRAL | BACTERIAL | FUNGAL | PARASITIC |
| Dogs | . | Nocardia | . | . |
| . | . | Actinomyces and Bacteroides spp. | . | . |
| . | . | Tuberculosis | . | . |
| Cats | FIP | P. multocida and other Gram-negative organisms | . | . |
| Horses | Hendra virus | extension from nasopharyngeal flora | . | . |
| . | . | Streptococci | . | . |
| Cattle | . | Pneumonic pasteurellosis | . | . |
| . | . | Tuberculosis | . | . |
| . | . | Contagious bovine pleuropneumonia | . | . |
| Sheep | . | Enzootic pneumonia | . | . |
| Pigs | Swine influenza | Actinobacillus pleuropneumoniae | . | . |
| . | . | Pasteurellosis | . | . |
| . | . | Contagious porcine pleuropneumonia | . | . |
| . | . | Glasser's disease | . | . |