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If the tumor was found with an ultrasound or x-ray after your dog showed some symptoms, ... Lew FH, Berg J. Survival time of dogs with splenic hemangiosarcoma treated by splenectomy with or ...
Dogs rarely show symptoms of hemangiosarcoma until after the tumor ruptures, causing extensive bleeding. Then symptoms can include short-term lethargy, loss of appetite, enlarged abdomen, weakness in the back legs, paled colored tongue and gums, rapid heart rate, and a weak pulse.
An overwhelming post-splenectomy infection (OPSI) is a rare but rapidly fatal infection occurring in individuals following removal (or permanent dysfunction) of the spleen. The infections are typically characterized by either meningitis or sepsis , and are caused by encapsulated organisms including Streptococcus pneumoniae . [ 3 ]
The post-splenectomy platelet count may rise to abnormally high levels (thrombocytosis), leading to an increased risk of potentially fatal clot formation. Mild thrombocytosis may be observed after a splenectomy due to the lack of sequestering and destruction of platelets that would normally be carried out by the spleen.
Post-splenectomy: A major function of the spleen is the clearance of opsonized, deformed, and damaged erythrocytes by splenic macrophages. If splenic macrophage function is abnormal or absent because of splenectomy, altered erythrocytes will not be removed from the circulation efficiently. Therefore, increased numbers of target cells may be ...
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Acquired asplenia occurs for several reasons: . Following splenectomy due to splenic rupture from trauma or because of tumor; After splenectomy with the goal of interfering with splenic function, as a treatment for diseases (e.g. idiopathic thrombocytopenic purpura, thalassemia, spherocytosis), in which the spleen's usual activity exacerbates the disease
Accessory spleens may undergo hypertrophy after splenectomy [15] Very rarely, it may cause bleeding (pictured). [16]If splenectomy is performed for conditions in which blood cells are sequestered in the spleen, failure to remove accessory spleens may result in the failure of the condition to resolve. [1]