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===''[[Linguatula serrata]]''
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===''[[Linguatula serrata]]''===
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===[[Metastrongyloidae|''Angiostrongylus vasorum'']]===
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===''[[Angiostrongylus vasorum]]''===
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*Adult worms live in the [[Lungs Circulatory - Pathology|pulmonary arteries]] and '''right side of the heart''' dogs and foxes
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*Cause a proliferative endoarteritis
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*More severe damage is caused however by eggs lodging in arterioles and capillaries
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*In severe infection, this can result in [[Lungs Inflammatory - Pathology#Infectious causes of pneumonia|pneumonia]] and [[Lungs Circulatory - Pathology#Pulmonary oedema|pulmonary oedema]] as an acute syndrome
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*Circulatory impedance can result in congestive cardiac failure
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*Particularly a problem if dogs eats snails
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*Gross:
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**Patchy white appearance with haemorrhagic areas within
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*Microscopically:
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**Golden pigment within macrophages (haemosiderin)
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**Inflammation and scarring of alveolar walls -> enlargement of remaining air spaces
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*Worms secrete anticoagulant -> haemorrhage in other parts of body
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*May present as neurological cases due to the haemorrhage
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*May cause [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|pulmonary thromboembolism]]
      
===[[Filarioidea|''Dirofilaria immitis'']]===
 
===[[Filarioidea|''Dirofilaria immitis'']]===
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