Difference between revisions of "Lungs Developmental - Pathology"
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Revision as of 16:55, 19 February 2011
Introduction
- Congenital abnormalities of lungs are very rare, but most common in cattle
- Most congenital abnormalities are incompatible with life
Accessory Lungs
Ciliary dyskinesia
Pulmonary Congenital Melanosis
Pulmonary Congenital Atelectasis
Congenital lobar emphysema
Pulmonary Hypoplasia
Congenital alveolar dysplasia
- Most common in dogs
- Grossly:
- Lungs retain fetal appearance and are poorly aerated
- Histologically:
- Uneven size and shape of alveoli, smaller number overall
- Dilated blood vessels within extensive interstitial tissue
- It is possible that in utero infection may contribute to this