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Eosinopenia is a condition where the number of eosinophils, a type of white blood cell, in circulating blood is lower than normal. [1] Eosinophils are a type of granulocyte and consequently from the same cellular lineage as neutrophils, basophils, and mast cells.
An absolute eosinophil count is not generally needed if the CBC shows marked eosinophilia. [3] The location of the causal factor can be used to classify eosinophilia into two general types: extrinsic, in which the factor lies outside the eosinophil cell lineage; and intrinsic eosinophilia, which denotes etiologies within the eosinophil cell ...
Eosinophils can also cause tissue damage in the lungs of asthmatic patients. [7] High concentrations of eosinophil major basic protein and eosinophil-derived neurotoxin that approach cytotoxic levels are observed at degranulation sites in the lungs as well as in the asthmatic sputum. [7]
A white blood cell differential is a medical laboratory test that provides information about the types and amounts of white blood cells in a person's blood. The test, which is usually ordered as part of a complete blood count (CBC), measures the amounts of the five normal white blood cell types – neutrophils, lymphocytes, monocytes, eosinophils and basophils – as well as abnormal cell ...
The following terms can be used to specify the type of granulocyte referenced: Inadequate numbers of neutrophils: neutropenia (most common) Inadequate numbers of eosinophils: eosinopenia (uncommon) Inadequate numbers of basophils: basopenia (very rare) In a general sense the pathogenesis of neutropenia can be divided into two categories;
Certain medications can alter the number and function of white blood cells. [citation needed] Medications that can cause leukopenia include clozapine, an antipsychotic medication with a rare adverse effect leading to the total absence of all granulocytes (neutrophils, basophils, eosinophils).
Injuries to the testicles and cancer treatments like chemotherapy and radiation can cause low testosterone levels. So can some medications (including hormones used to treat prostate cancer), aging ...
Eosinophilic pneumonia can develop in several different ways depending on the underlying cause of the disease. Eosinophils play a central role in defending the body against infection by parasites. Many diseases, such as asthma and eczema , are caused when eosinophils overreact to environmental triggers and release an excess of chemicals, e.g ...