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Agranulocytosis, also known as agranulosis or granulopenia, is an acute condition involving a severe and dangerous lowered white blood cell count (leukopenia, most commonly of neutrophils) and thus causing neutropenia in the circulating blood. [1] It is a severe lack of one major class of infection-fighting white blood cells.
Basopenia (or basocytopenia) is a form of agranulocytosis associated with a deficiency of basophils. [1] It has been proposed as an indicator of ovulation. [2] It is difficult to detect without flow cytometry, because normal levels are so low. [3]
Neutropenia, a subtype of leukopenia, refers to a decrease in the number of circulating neutrophil granulocytes, the most abundant white blood cells.The terms leukopenia and neutropenia may occasionally be used interchangeably, as the neutrophil count is the most important indicator of infection risk.
In medicine, granulocytosis is the presence of an increased number of granulocytes in the peripheral blood.Often, the word refers to an increased neutrophil granulocyte count (neutrophilia), but granulocytosis formally refers to the combination of neutrophilia, eosinophilia, and basophilia. [1]
Pituitary tumor in MEN1 can be large and cause signs by compressing adjacent tissues. Pancreatic tumors associated with MEN-1 usually form in the beta cells of the islets of Langerhans, causing over-secretion of insulin, resulting in low blood glucose levels (hypoglycemia). However, many other tumors of the pancreatic Islets of Langerhans can ...
Monocyte under a light microscope (40x) from a peripheral blood smear surrounded by red blood cells.. In immunology, agranulocytes (also known as nongranulocytes or mononuclear leukocytes) are one of the two types of leukocytes (white blood cells), the other type being granulocytes.
These autosomal dominant mutations cause a reduction, i.e. a haploinsufficiency, in the cellular levels of the gene's product, GATA2. The GATA2 protein is a transcription factor critical for the embryonic development, maintenance, and functionality of blood-forming, lympathic-forming, and other tissue-forming stem cells. In consequence of these ...
The syndrome cannot cause severe indirect hyperbilirubinemia in neonates by itself, but it may have a summative effect on rising bilirubin when combined with other factors, [10] for example in the presence of increased red blood cell destruction due to diseases such as G6PD deficiency.