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Galactomannan Test (Aspergillus Antigen) and its Function

The primary function of the Galactomannan test is to aid in the diagnosis of invasive aspergillosis, which is a serious fungal infection caused by Aspergillus species. Invasive aspergillosis most commonly affects individuals with weakened immune systems, such as those undergoing chemotherapy, organ transplantation, or with HIV/AIDS. The test helps in the early detection of the infection, which is crucial for initiating appropriate treatment.

Conditions that may require Galactomannan Test (Aspergillus Antigen)

The Galactomannan test (Aspergillus antigen) may be required in the following conditions:

Suspected Invasive Aspergillosis: The Galactomannan test is primarily used in individuals suspected of having invasive aspergillosis, which is a serious fungal infection caused by Aspergillus species. It is commonly performed in patients with weakened immune systems, such as those undergoing chemotherapy, stem cell transplantation, or with HIV/AIDS, who are at higher risk of developing fungal infections.
Monitoring High-Risk Patients: The Galactomannan test may be used for monitoring high-risk individuals, such as patients with hematological malignancies (e.g., leukemia, lymphoma) or those undergoing stem cell transplantation. Regular testing helps identify early signs of invasive aspergillosis, allowing for prompt intervention and treatment.
Evaluation of Unexplained Fever: In individuals with unexplained fever and suspected fungal infections, including aspergillosis, the Galactomannan test can be performed to aid in the diagnostic process. Elevated levels of galactomannan in the blood or other body fluids can suggest the presence of Aspergillus infection.

Galactomannan Test (Aspergillus Antigen) Procedure

The Galactomannan Test (Aspergillus Antigen) is a simple blood test that can be performed in a laboratory. Before the test, the patient may be asked to avoid certain medications that may affect the results. During the test, our healthcare professional will use a needle to draw blood from a vein in the patient's arm. The blood sample will then be sent to our laboratory for analysis.

Interpreting Galactomannan Test (Aspergillus Antigen) Results

A positive Galactomannan test result indicates the presence of galactomannan antigen in the sample, suggesting a possible Aspergillus infection. However, it is important to note that a positive result should not be interpreted in isolation and must be considered in the context of the patient's clinical presentation and other diagnostic findings.