Histoplasmosis laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Serge Korjian M.D.
Overview
There are no specific laboratory findings associated with acute histoplasma infection. Diagnosis is confirmed by the demonstration of the yeast cells from tissue samples or body fluids, culture and antigen detection.
Laboratory Findings
There are no specific laboratory findings associated with acute histoplasma infection. Diagnosis is confirmed by the demonstration of the yeast cells from tissue samples or body fluids, culture and antigen detection.
- The following laboratory findings can be present in patient with a disseminated histoplasma infection:
- Anemia
- Leukopenia
- Thrombocytopenia
- Elevated liver enzymes
- Elevated bilirubin
- Elevated lactate dehydrogenase
- Elevated ferritin
- Histoplasma antigen detection in urine and/or serum is the most widely used and most sensitive method for diagnosing acute histoplasmosis.
- Other methods include antibody tests, culture, and microscopy.
- Antigen detection: Enzyme immunoassay (EIA) is typically performed on urine and/or serum, but can also be used on cerebrospinal fluid or bronchoalveolar lavage fluid. Sensitivity is generally higher in urine than in serum, particularly for HIV-infected persons with disseminated histoplasmosis.
- Polymerase Chain Reaction (PCR): PCR for detection of Histoplasma directly from clinical specimens is still experimental, but promising.[1]
References
- ↑ Information for Healthcare Professionals about Histoplasmosis. Centers for Disease Control and Prevention. 2015. Available at: http://www.cdc.gov/fungal/diseases/histoplasmosis/health-professionals.html. Accessed February 2, 2016.