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Cytopenia is a reduction in the number of mature blood cells. It can have many causes, and commonly occurs in people with cancer being treated with radiation therapy or chemotherapy . Types
Pancytopenia is a medical condition in which there is significant reduction in the number of almost all blood cells (red blood cells, white blood cells, platelets, monocytes, lymphocytes, etc.).
In hematology, thrombocytopenia is a condition characterized by abnormally low levels of platelets (also known as thrombocytes) in the blood. [2] Low levels of platelets in turn may lead to prolonged or excessive bleeding.
Lymphocytopenia is commonly caused by a recent infection, such as the common cold or COVID-19. [3]Lymphocytopenia, but not idiopathic CD4+ lymphocytopenia, is associated with corticosteroid use, infections with HIV and other viral, bacterial, and fungal agents, malnutrition, systemic lupus erythematosus, [4] severe stress, [5] intense or prolonged physical exercise (due to cortisol release ...
Refractory cytopenia of childhood is a subgroup of myelodysplastic syndrome (MDS), having been added to the World Health Organization classification in 2008. Before then, RCC cases were classified as childhood aplastic anemia.
Refractory cytopenia with multilineage dysplasia (RCMD) Includes the subset Refractory cytopenia with multilineage dysplasia and ring sideroblasts (RCMD-RS). Revised to MDS with LB. Refractory anemia with excess blasts I and II RAEB was divided into RAEB-I (5–9% blasts) and RAEB-II (10–19%) blasts, which has a poorer prognosis than RAEB-I.
Idiopathic CD4+ lymphocytopenia (ICL) is a rare medical syndrome in which the body has too few CD4 + T lymphocytes, which are a kind of white blood cell. [2] ICL is sometimes characterized as "HIV-negative AIDS", though, in fact, its clinical presentation differs somewhat from that seen with HIV/AIDS. [3]
Heparin-induced thrombocytopenia (HIT) is the development of thrombocytopenia (a low platelet count), due to the administration of various forms of heparin, an anticoagulant.