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Telangiectasis (view source)

Revision as of 17:07, 29 September 2010

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*common in cattle - ''''plum pudding'''' [[Liver - Anatomy & Physiology|liver]]

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*seen in older cats

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*can occur in any species

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*irregular, ~~dark red, depressed areas varying in size from 1mm to 2-3cm~~

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Telangiectasis is a condition of the liver affecting cattle, sheep poultry and horses. The lesions are characterised by focal dilatation and congestion of the hepatic sinusoids.

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*these are ~~well defined foci~~ of ~~blood which accumulates in dilated~~ sinusoids ~~following degeneration and necrosis of adjacent hepatocytes~~

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*the lesions are ~~inert~~, ~~there being no signs of cellular degeneration~~ or ~~reaction~~

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All animals may be affected by the lesions but they are more commonly seen in older animals. There is little clinical significance to the disease but affected animals are a significant cause of direct economic loss due to carcass condemnation at slaughter.

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*cause unknown

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Various aetiologies for the condition have been suggested. It has been proposed that telangiectasis is caused by ischaemic necrosis relating to a number underlying causes including pregnancy, abdominal tympany and bacterial infection with ''Fusobacterium necrophorum''. Other theories include a neoplastic or immune-mediated process.

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*no clinical significance, but condemned ~~at slaughter~~

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Following slaughter, animals with mildly affected livers may be passed for food following trimming but severely affected carcasses must be condemned.

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[[Category:Liver - Circulatory Disturbances]]

[[Category:To_Do_-_Clinical]]

Signarski

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