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Doctor insights on: Causes Of Febrile Neutropenia

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Causes of aniocytosis?

Causes of aniocytosis?

Anisocytosis, having: Red blood cells (rbc's) of different sizes, can be caused by iron deficiency & sickle cell anemias, folate (folic acid) or vitamin B12 deficiency, autoimmune hemolytic anemia, cytotoxic chemotherapy, chronic liver disease, myelodysplastic syndrome, thalassemia major, & thalassemia intermedia. The unequal-sized rbc's are small in some of these disorders & large in others. ...Read more

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Dr. Michael Engel
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Neutropenia (Definition)

Defined numerically as an absolute neutrophil count (anc) less than 1500. From there it is subdivided into mild (1000-1500), moderate (500-1000) and severe (<500). Folks with severe neutropenia are at increased risk for bacterial infections. Mild to moderate, less so. The reason for neutropenia needs to be determined. Treatments range from observation to stem cell ...Read more


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Possible cause of lymphocytopenia with neutrophilia?

Possible cause of lymphocytopenia with neutrophilia?

Bacterial infection.: One makes an increased number of neutrophils (neutrophilia) with a bacterial infection and the lymphocyte count may be lower during the time. ...Read more

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Causes of hypergammaglobulinemia?

Causes of hypergammaglobulinemia?

Mono or Polyclonal: High levels of immunoglobulins (hypergammaglobulinemia) can be monoclonal (specific) - due to malignant proliferation of plasma cells or lymphocytes as in myeloma or waldenstrom's macroglobulinemia. Polyclonal (many types) hypergammaglobulinemia is a benign condition due to infection, inflammation causing non-specific gamma globulin production such as in hepatitis, immune and allergic disorders. ...Read more

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What causes a febrile seizure?

What causes a febrile seizure?

The rise of fever: Febrile seizures are common in children, about 5% of the population. They are generally a combination of how fast the fever rises and a genetic predisposition. Very few children with febrile seizures go on to have epilepsy, but that is still being studied. ...Read more

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Can low platelets cause fevers of 99-100?

No: There is no relationship between your platelet count and body temperature. You could have something else going on, such as a viral illness, that hs caused suppression of your platelet production and can also cause low grade fever. But the low count itself does not cause fever. ...Read more

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What're the effects of chronic lymphocytic leukemia?

What're the effects of chronic lymphocytic leukemia?

See below: Cll is form of blood cancer, usually a slowly progressing one. It may cause fever, enlarged lymph nodes, weight loss, anemia etc. See this site for more info. http://www.ncbi.nlm.nih.gov/pubmedhealth/pmh0001559/. ...Read more

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What causes chorea of rheumatic fever?

What causes chorea of rheumatic fever?

Chorea: Rheumatic fever is a form of auto-immune reaction of the body to substances contained in the strep which are similar to those in some of our tissues, and the body reacts against those areas, confusing them with the strep. The central nervous system is not exempt from this and chorea is one manifestation of this type of involvement. ...Read more

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What are the causes of chronic moderate autoimmune neutropenia & moderate-severe thrombocytopenia with giant platelets? Occasionally anemic.

What are the causes of chronic moderate autoimmune neutropenia & moderate-severe thrombocytopenia with giant platelets? Occasionally anemic.

Autoimmunity: The development of an autoimmune disease is most likely from impaired regulation of the immune function leading to immunologic attack on one's own tissue. The presence of one autoimmune disease increases the risk to develop another one probably from the impaired regulation. However we have still much to learn about autoimmunity as to why some people are more prone to it (female are more at risk). ...Read more

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Can a viral infection cause WBC of 24000 and fever of 104.5 in an infant?

Can a viral infection cause WBC of 24000 and fever of 104.5 in an infant?

Probably not: A viral infection can cause a high fever but a high white blood count is very indicative of a bacterial infection. Viral infections generally don't cause high white blood counts. ...Read more

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Is chronic neutropenia a type of leukemia?

Is chronic neutropenia a type of leukemia?

No: Chronic neutropenia is not a type of leukemia. However, a very low neutrophil count can increase the risk for serious and recurrent infections. ...Read more

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Can monoclonal b-cell lymphocytosis be an antecedent cause of hypostatic pneumonia?

Can monoclonal b-cell lymphocytosis be an antecedent cause of hypostatic pneumonia?

Hypostatic pneumonia: Hypostatic pneumonia is a term used to describe fluid accummulation in the lower portions of lungs in bed-ridden individuals (typically elderly). One thing you can do to reduce a pneumonia risk is to have your physician provide you with an early pneumonia shot (pneumovax /ppsv-23) before age 65. ...Read more

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Causes of thrombocytosis patients high counts?

Causes of thrombocytosis patients high counts?

Primary or secondary: Elevated platelets (thrombocytosis) can be primary (driven by a bone marrow disorder) or secondary (eg, reactive). Reactive/secondary is the most common, with some frequent associated conditions including iron deficiency anemia, reactive (eg, pneumonia, rheumatoid arthritis, post surgical). Thrombocytosis that goes away is likely reactive. Primary can be evaluated for by labs & bone marrow biopsy. ...Read more

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What are classice symptoms of febrile illness?

What are classice symptoms of febrile illness?

Many things: Febrile illness means having a fever from some illness. Many different things can cause fever. Most are caused by viruses and some by bacteria and other diseases. Often no particular lab test is necessary but blood counts can be helpful and some tests for strep and flu also can be helpful. Most is decided by the physician himself. ...Read more

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What causes leukopenia and frequent respiratory infections?

What  causes leukopenia and frequent respiratory infections?

Leukopenia: The list of things that can cause leukopenia is very long and includes both benign and malignant conditions. It is very important that this be evaluated by a hematologist, and maybe an immunologist, especially if the person is having frequent respiratory infections as well. ...Read more

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Does thrombocytopenia occur in all cases of pre-leukemia or leukemia?

Does thrombocytopenia occur in all cases of pre-leukemia or leukemia?

No: The effect on the blood counts such as the white blood cells, red blood cells and platelets can be variable. The platelets can be low (thrombocytopenia) for these disorders but in some patients it can be normal. ...Read more

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What are the common causes of large platelets and hypersegmented neutrophils?

What are the common causes of large platelets and hypersegmented neutrophils?

Vitamin & leukemias.: Hypersegmented neutrophils are seen with vitamin b-12 and folate (folic acid) deficiency, while large platelets can be in myelophthisic disease, like myelofibrosis and leukemias. These are conditions that displace the precursor cells from the bone marrow into the peripheral blood. ...Read more

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Most common symptoms of thrombotic thrombocytopenia purpura?

Most common symptoms of thrombotic thrombocytopenia purpura?

Range of symptoms: Ttp can involve many different organs. One can have renal dysfunction, fever, altered mental status, low platelet counts and hemolytic anemia. These signs can lead to symptoms of bleeding, bruising, petechiae, confusion, anemia, fatigue, and possible jaundice among other things. ...Read more

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What causes acute epiglottitis in children?

What causes acute epiglottitis in children?

Mostly infection: Very rare infection of epiglottis, flap of elastic cartilage tissue covered with mucous membrane, attached to the entrance of the larynx, blocking entrance of food into airway when swallowing. Since vaccination for hemophilus influenza even rarer.Most common organism causing epiglottitis now is streptococcus pneumoniae. Other organisms include parainfluenzae, varicella-zoster, herpes simplex. ...Read more

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Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever = elevated body temperature (can be ...Read more