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Splenic infarction is a condition in which blood flow supply to the spleen is compromised, [1] leading to partial or complete infarction (tissue death due to oxygen shortage) in the organ. [2] Splenic infarction occurs when the splenic artery or one of its branches are occluded, for example by a blood clot .
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
The spleen is an important immunological organ that acts as a filter for red blood cells, triggers phagocytosis of invaders, and mounts an immunological response when necessary. [2] Lack of a spleen, called asplenia, can occur by autosplenectomy or the surgical counterpart, splenectomy. Asplenia can increase susceptibility to infection. [3]
Enlarged spleen due to myelodysplastic syndrome; CT scan coronal section, spleen in red, left kidney in green. Signs and symptoms are nonspecific and generally related to the blood cytopenias: Anemia (low RBC count or reduced hemoglobin) – chronic tiredness, shortness of breath, chilled sensation, sometimes chest pain [6]
There are three types of dendritic cells, plasmacytic dendritic cells (pDC) and two types of conventional dendritic cells (cDC), myeloid cDC1 and myeloid cDC2. [9] pDC circulate in the blood, representing <0.4% of all nucleated blood cells, and are present in various hematological tissues such as lymph nodes and spleen. [2]
A major challenge in treating FS is recurring infection caused by neutropenia. Therefore, in order to decide upon and begin treatment, the cause and relationship of neutropenia with the overall condition must be well understood. [9] Most of the traditional medications used to treat RA have been used in the treatment of Felty's syndrome.
Splenomegaly can result in hematologic disturbances and abdominal pain and can increase the risk for splenic rupture, which also causes spleen pain, from blunt trauma, resulting in life-threatening internal bleeding. [2] Many conditions can cause splenomegaly, such as various infections, liver disease, and cancer. [2]