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Showing posts with the label Hemotropic mycoplasmas

Mycoplasma haemocanis in Dogs: Symptoms, Splenectomy Risks, and Treatment

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Introduction Mycoplasma haemocanis is a specialized organism that lacks a cell wall and clings to the erythrocyte membranes of dogs. Although the bacterium may remain silent in normal dogs, it may cause serious life-threatening anemia under certain conditions. Unlike Ehrlichia which stays inside white cells, Mycoplasma attaches to the outside of red blood cells, leading to their destruction in the spleen . ​Attack Mechanism ​The bacterium differs from others because of its epicellular attachment to the RBC membrane. ​Immunological Response:  The dog's immune system identifies "coated" cells as either damaged or foreign organisms. ​Extravascular Hemolysis:  The infected RBCs are filtered out and destroyed in the spleen. ​The Outcome:  Decrease in the RBC numbers causes regenerative anemia in a short time. ​Risk Groups, Clues, and Symptoms ​Normal Healthy Dogs:  Usually act as silent carriers; spleen keeps the infection in check. ​Splenectomized Dogs:  Dogs w...