Verminous Pneumonia
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- Lesions in the lung may be due to:
- Parasites passing through the lung as part of their migration e.g. Ascaris suum in the pig, aberrant migration in the case of flukes;
- Parasites for which the lung is the target tissue e.g. Dictyocaulus viviparus
- Lesions can vary from interstitial to chronic bronchitis to granulomatous pneumonia
- May be infiltrate of eosinophils in pulmonary interstitium and bronchoalveolar spaces
- Atelectasis and emphysema may result due to obstruction