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Overwhelming opportunistic histoplasmosis.

C S Bryan, A F DiSalvo

    Sabouraudia
    |September 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    This study details a chronic granulocytic leukemia patient with severe histoplasmosis and fungemia. The fungus Histoplasma capsulatum was found in blood, tissues, and urine, highlighting its opportunistic nature.

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    Area of Science:

    • Mycology
    • Hematology
    • Infectious Diseases

    Background:

    • Chronic granulocytic leukemia (CGL) is a myeloproliferative neoplasm.
    • Histoplasmosis is a systemic fungal infection caused by Histoplasma capsulatum.
    • Opportunistic infections pose significant risks in immunocompromised patients.

    Observation:

    • A patient with CGL presented with overwhelming histoplasmosis and massive fungemia.
    • Yeast forms of Histoplasma capsulatum were identified within 59% of peripheral blood neutrophils.
    • Disseminated intravascular coagulation (DIC) was observed concurrently with the fungal infection.

    Findings:

    • Histoplasma capsulatum was successfully isolated from the patient's tissues, urine, and serum.
    • Specific immunofluorescent staining confirmed the presence of the microorganism in peripheral blood films.

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  • The findings indicate a severe, disseminated fungal infection in an immunocompromised host.

    • Implications:

    • Histoplasmosis should be recognized as a significant opportunistic infection in patients with hematologic malignancies.
    • Early diagnosis and management of histoplasmosis are crucial in immunocompromised individuals.
    • This case underscores the importance of considering fungal infections in the differential diagnosis of febrile illnesses in CGL patients.