Difference between revisions of "Lungs Degenerative - Pathology"
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'''[[Lungs Ventilation - Pathology|Disturbances of Ventilation]]''' | '''[[Lungs Ventilation - Pathology|Disturbances of Ventilation]]''' | ||
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'''[[Lungs Circulatory - Pathology|Disturbances of Circulation]]''' | '''[[Lungs Circulatory - Pathology|Disturbances of Circulation]]''' | ||
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==Pigmentation== | ==Pigmentation== | ||
*Permanent abnormal discoloration | *Permanent abnormal discoloration | ||
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===Melanosis=== | ===Melanosis=== | ||
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*Pigment is present in the alveolar walls of calves and lambs | *Pigment is present in the alveolar walls of calves and lambs | ||
*Most likely [[Lungs - developmental#Congenital melanosis|congenital]] | *Most likely [[Lungs - developmental#Congenital melanosis|congenital]] | ||
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===Anthracosis=== | ===Anthracosis=== | ||
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Carbon in the connective tissue around airways and vessels, after being brought and deposited there - sequestration - by macrophages from the alveoli | Carbon in the connective tissue around airways and vessels, after being brought and deposited there - sequestration - by macrophages from the alveoli | ||
*Used to be seen in town-dwelling dogs and cats | *Used to be seen in town-dwelling dogs and cats | ||
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==Calcification== | ==Calcification== | ||
Revision as of 21:21, 6 August 2008
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Pigmentation
- Permanent abnormal discoloration
Melanosis
- Individual parenchymal lobules are affected
- Pigment is present in the alveolar walls of calves and lambs
- Most likely congenital
Anthracosis
- Diffuse greyish discoloration
Carbon in the connective tissue around airways and vessels, after being brought and deposited there - sequestration - by macrophages from the alveoli
- Used to be seen in town-dwelling dogs and cats
Calcification
- Generally associated with hypervitaminosis D or from ingested vitamin D analogues
- Common sequel to uraemia in dogs and pulmonary necrosis
- Lungs may fail to collapse on opening the thorax
- See general pathology