Difference between revisions of "Lymphopenia"

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==Introduction==
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==Description==
 
Lymphopenia is a reduction in the numbers of lymphocytes in the blood.  This phenomenon is most commonly associated with stress (as part of the '''stress leucogram''') or with viral infection.  Causes include:
 
Lymphopenia is a reduction in the numbers of lymphocytes in the blood.  This phenomenon is most commonly associated with stress (as part of the '''stress leucogram''') or with viral infection.  Causes include:
*[[Stress Leucogram|Stress leucogram]], characterised by '''[[Neutrophilia|neutrophilia]]''', '''[[Monocytosis|monocytosis]]''', '''[[Eosinopenia|eosinopenia]]''' and '''[[Lymphopenia|lymphopenia]]'''.  A similar pattern may occur with hyperadrenocorticism (Cushing’s disease) or exogenous corticosteroid therapy as these hormones selectively suppress lymphocytic activity and the inflammatory response in general.   
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*Stress leucogram, characterised by '''[[Neutrophilia|neutrophilia]]''', '''[[Monocytosis|monocytosis]]''', '''[[Eosinopenia|eosinopenia]]''' and '''[[Lymphopenia|lymphopenia]]'''.  A similar pattern may occur with hyperadrenocorticism (Cushing’s disease) or exogenous corticosteroid therapy as these hormones selectively suppress lymphocytic activity and the inflammatory response in general.   
*Viral infection with [[Canine Distemper Virus|canine distemper]], [[Infectious Canine Hepatitis|Infectious canine hepatitis]], [[Feline infectious enteritis|feline infectious enteritis]] or [[Bovine Viral Diarrhoea|bovine viral diarrhoea]] (BVD)
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*Viral infection with [[Canine Distemper Virus|canine distemper]], [[Infectious canine hepatitis]], [[Feline infectious enteritis|feline infectious enteritis]] or [[Bovine Viral Diarrhoea|bovine viral diarrhoea]] (BVD)
 
*Bone marrow suppression caused by '''chemotherapy''' or '''radiotherapy'''.  Since neutrophils have a much shorter circulating half life, they are the first cell line to fall with any insult to the bone marrow but lymphopenia may occur as part of a more severe pancytopenia.
 
*Bone marrow suppression caused by '''chemotherapy''' or '''radiotherapy'''.  Since neutrophils have a much shorter circulating half life, they are the first cell line to fall with any insult to the bone marrow but lymphopenia may occur as part of a more severe pancytopenia.
 
*Inherited or acquired immunodeficiency syndromes, including '''[[Equine Severe Combined Immune Deficiency|SCID]]''' (Severe Combined Immunodeficiency Syndrome) in Arab foals and [[Feline Immunodeficiency Virus|'''feline immunodeficiency virus''']] infection.
 
*Inherited or acquired immunodeficiency syndromes, including '''[[Equine Severe Combined Immune Deficiency|SCID]]''' (Severe Combined Immunodeficiency Syndrome) in Arab foals and [[Feline Immunodeficiency Virus|'''feline immunodeficiency virus''']] infection.
 
*Leakage of lymphatic fluid may result in loss of lymphocytes, as occurs with '''[[Lymphangiectasia|lymphangiectasia]]''' or '''[[Chylous Effusion|chylothorax]]'''.
 
*Leakage of lymphatic fluid may result in loss of lymphocytes, as occurs with '''[[Lymphangiectasia|lymphangiectasia]]''' or '''[[Chylous Effusion|chylothorax]]'''.
  
{{Learning
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==Literature Search==
|literature search = [http://www.cabdirect.org/search.html?it=any&q2=lymphopaenia&q1=lymphopenia&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&rowId=2&rowId=3&options1=AND&options2=OR&options3=AND&occuring3=freetext&occuring2=title&publishedend=yyyy&la=any&publishedstart=yyyy&fq=sc%3A%22ve%22&y=6&x=40 Publications with 'lymphopenia' in their title]
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[[File:CABI logo.jpg|left|90px]]
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{{review}}
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Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
 
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<br><br><br>
==Webinars==
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[http://www.cabdirect.org/search.html?it=any&q2=lymphopaenia&q1=lymphopenia&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&rowId=2&rowId=3&options1=AND&options2=OR&options3=AND&occuring3=freetext&occuring2=title&publishedend=yyyy&la=any&publishedstart=yyyy&fq=sc%3A%22ve%22&y=6&x=40 Publications with 'lymphopenia' in their title]
<rss max="10" highlight="none">https://www.thewebinarvet.com/clinical-pathology/webinars/feed</rss>
 
  
[[Category:Haematology Changes]][[Category:Expert Review]][[Category:Bullet Points]]
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[[Category:Haematology Changes]][[Category:Expert Review]]

Revision as of 17:23, 1 November 2010


Description

Lymphopenia is a reduction in the numbers of lymphocytes in the blood. This phenomenon is most commonly associated with stress (as part of the stress leucogram) or with viral infection. Causes include:

Literature Search

CABI logo.jpg


Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).


Publications with 'lymphopenia' in their title