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Autoimmune neutropenia (AIN) is a form of neutropenia which is most common in infants and young children [1] where the body identifies the neutrophils as enemies and makes antibodies to destroy them. Primary autoimmune neutropenia, another name for autoimmune neutropenia, is an autoimmune disease first reported in 1975 that primarily occurs in ...
Neutropenia is an abnormally low concentration of neutrophils (a type of white blood cell) in the blood. [4] Neutrophils make up the majority of circulating white blood cells and serve as the primary defense against infections by destroying bacteria, bacterial fragments and immunoglobulin-bound viruses in the blood. [5]
Severe congenital neutropenia (SCN), also often known as Kostmann syndrome or disease, is a group of rare disorders that affect myelopoiesis, causing a congenital form of neutropenia, usually without other physical malformations. SCN manifests in infancy with life-threatening bacterial infections. [2] It causes severe pyogenic infections.
The quality of life and survival greatly improves with G-CSF treatment, which is practiced since the late 1980s. [21] Unlike severe congenital neutropenia, individuals with cyclic neutropenia have a better response to G-CSF and do not have a risk of developing myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML).
Low risk MDS (which is associated with favorable genetic variants, decreased myeloblastic cells [less than 5% blasts], less severe anemia, thrombocytopenia, or neutropenia or lower International Prognostic Scoring System scores) is associated with a life expectancy of 3–10 years. Whereas high risk MDS is associated with a life expectancy of ...
Hematologic abnormalities: neutropenia may be intermittent or persistent and is the most common hematological finding. Low neutrophil counts leave patients at risk of developing severe recurrent infections that may be life-threatening. Anemia (low red blood cell counts) and thrombocytopenia (low platelet counts) may also occur.
Many people who have Cohen syndrome also have neutropenia which is a condition in which an individual has an abnormally low number of white blood cells called neutrophils. Having this condition may make these individuals susceptible to infections. Granulocyte-colony stimulating factor (G-CSF) is one possible treatment for neutropenia. [12]
LAD was first recognized as a distinct clinical entity in the 1970s. The classic descriptions of LAD included recurrent bacterial infections, defects in neutrophil adhesion, and a delay in umbilical cord sloughing. The adhesion defects result in poor leukocyte chemotaxis, particularly neutrophil, inability to form pus and neutrophilia. [3]