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Created page with 'these cause damage during migration through the liver =====Ascaris suum===== *Ascariasis *''''milk spot' liver''' *pigs *common incidental findi…'
these cause damage during migration through the [[Liver - Anatomy & Physiology|liver]]
=====Ascaris suum=====
*Ascariasis
*''''milk spot' liver'''
*pigs
*common incidental finding at post mortem examination
*affected [[Liver - Anatomy & Physiology|livers]] are condemned at meat inspection
======Gross======
*initial haemorrhagic tracts through the [[Liver - Anatomy & Physiology|liver]] attributed to the migration of ascarid larvae
*later stages show fibrosis of these tracts as poorly defined, diffuse, white spots on the capsular surface
======Microscopically======
*initial haemorrhage and necrosis of parenchyma along the tracts
*later repair by fibrous tissue at foci
*inflammatory cell response contains many [[Eosinophils - WikiBlood|eosinophils]], as well as [[Lymphocytes - WikiBlood|lymphocytes]] and [[Macrophages - WikiBlood|macrophages]]
=====Strongyles=====
*horses
*it is common to find fibrous tags incidentally on the [[Liver - Anatomy & Physiology|liver]] surface and adjacent diaphragm
*these are remnants of fibrous repair following the egress of the parasites from the [[Liver - Anatomy & Physiology|liver]]
[[Category:Hepatitis, Parasitic]]
=====Ascaris suum=====
*Ascariasis
*''''milk spot' liver'''
*pigs
*common incidental finding at post mortem examination
*affected [[Liver - Anatomy & Physiology|livers]] are condemned at meat inspection
======Gross======
*initial haemorrhagic tracts through the [[Liver - Anatomy & Physiology|liver]] attributed to the migration of ascarid larvae
*later stages show fibrosis of these tracts as poorly defined, diffuse, white spots on the capsular surface
======Microscopically======
*initial haemorrhage and necrosis of parenchyma along the tracts
*later repair by fibrous tissue at foci
*inflammatory cell response contains many [[Eosinophils - WikiBlood|eosinophils]], as well as [[Lymphocytes - WikiBlood|lymphocytes]] and [[Macrophages - WikiBlood|macrophages]]
=====Strongyles=====
*horses
*it is common to find fibrous tags incidentally on the [[Liver - Anatomy & Physiology|liver]] surface and adjacent diaphragm
*these are remnants of fibrous repair following the egress of the parasites from the [[Liver - Anatomy & Physiology|liver]]
[[Category:Hepatitis, Parasitic]]