Biomarkers

What are reasons for elevated immature granulocytes?

– Measurement of immature granulocytes (IG) percentage may be used as a marker of bacterial infections. 

Immature granulocytes (IG) level in peripheral blood is used as an early sign of infection. 

– IG could also be elevated in other conditions like inflammatory or cancerous diseases and in pregnancy.

Immature granulocytes can be elevated in inflammatory disease


What are reasons for elevated immature granulocytes?

With the exception of blood from neonates or pregnant women, the appearance of immature granulocytes in the peripheral blood indicates an early-stage response to infection, inflammation or other stimuli of the bone marrow. The presence of immature granulocytes (IG) in the peripheral blood provides important information indicating enhanced bone marrow activity. Evaluation of the IG count is therefore a promising option in sepsis.

Immature granulocytes are usually not detected in healthy individuals but are elevated in patients with: 

– bacterial infections, 

– acute inflammatory disorders, 

– cancer (marrow metastasis), 

– tissue necrosis, 

– acute transplant rejection, 

– surgical and orthopedic trauma, 

– myeloproliferative neoplasm, 

– steroid use, 

– and pregnancy. 

Usually an increase in Immature granulocytes is accompanied by an increase in the absolute neutrophil count. However, elderly patients, neonates, and patients with myelosuppression may have elevated Immature granulocytes without an elevation of the neutrophil count.

Limitations:

The immature granulocytes count alone does not let you predict sepsis (= when your body has an unusually severe response to an infection) or infection. However, it can support diagnosis and prediction together with other parameters such as cytokines, interleukins and CRP. It is more useful as a monitoring parameter when the patient has already been diagnosed correctly and is under treatment.

As a marker for children:

The immature granulocytes count of children, especially premature neonates or neonates younger than seven days, has to be taken with care due to their immature immune systems and the greater number of immature cells in the circulating blood.

For further information, please visit the Immature Granulocytes article on our website HealthMatters.io

Disclaimer:

Test results may vary depending on your age, gender, health history, the method used for the test, and other things. Your test results may not mean you have a problem. Ask your healthcare provider what your test results mean for you. 

The information on healthmatters.io is NOT intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice.

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