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Removal of Red or White Blood Cells by the Spleen in Ferrets

Hypersplenism in Ferrets


Hypersplenism is a syndrome in which red or white blood cells are removed at an abnormally high rate by the spleen, resulting in one or more cytopenias (insufficient cells in the blood stream). On rare occasions, this cause the ferret's spleen to enlarge. There are no breed, sex, or age predilections for hypersplenism.


Symptoms and Types


Symptoms are those that are caused by anemia, leucopenia (a type of cell), and thrombocytopenia (a small number of cells are circulating in the blood stream), including:


  • Weakness
  • Loss of appetite (anorexia)
  • Depression
  • Lethargy
  • Petechia (pin-sized, red spots on the skin)
  • Pale mucous membranes
  • Rapid heart beat
  • Abdominal distension




The underlying causes for hypersplenism are unknown.




Once other causes of an enlarged spleen are ruled out, hyperpsplenism is diagnosed based on the presence of one or more cytopenias. Your veterinarian will confirm via blood analysis and imaging studies, including X-rays of the abdomen and ultrasound. He or she may also recommend performing a fine-needle aspiration of the bone marrow.