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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] | [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] | ||
− | + | [[Categoría:Cambios Hematológicos]][[Categoría:Expert Review]] | |
[[Categoría:Cristina Castillo]] | [[Categoría:Cristina Castillo]] |
Revisión del 09:46 18 mar 2012
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Este artículo ha sido revisado por pares, pero aún no ha sido evaluado por un experto. |
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:
- Stress leucogram, characterised by neutrophilia, monocytosis, eosinopenia and 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, Infectious canine hepatitis, feline infectious enteritis or 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.
- Inherited or acquired immunodeficiency syndromes, including SCID (Severe Combined Immunodeficiency Syndrome) in Arab foals and feline immunodeficiency virus infection.
- Leakage of lymphatic fluid may result in loss of lymphocytes, as occurs with lymphangiectasia or chylothorax.
Literature Search
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Publications with 'lymphopenia' in their title