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Related Experiment Videos

Massive antigenemia during disseminated cryptococcosis

L E Wold, G D Roberts, N S Brewer

    Mayo Clinic Proceedings
    |August 1, 1980
    PubMed
    Summary

    This study reports three cases of disseminated cryptococcosis with extremely high cryptococcal antigen levels, exceeding 1:32,768. Such massive titers in serum and cerebrospinal fluid were previously undocumented in medical literature.

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    Area of Science:

    • Medical Mycology
    • Infectious Diseases
    • Clinical Microbiology

    Background:

    • Disseminated cryptococcosis is a severe fungal infection, particularly in immunocompromised individuals.
    • Cryptococcal antigen testing is crucial for diagnosing and monitoring cryptococcosis.
    • Standard antigen titers typically range much lower than those observed in these cases.

    Observation:

    • Three patients presented with disseminated cryptococcosis.
    • Massive serum and cerebrospinal fluid cryptococcal antigen titers were detected, reaching at least 1:32,768.
    • These exceptionally high titers were associated with disseminated disease.

    Findings:

    • The study documents previously unreported, extremely high cryptococcal antigen titers in disseminated cases.

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  • A strong correlation was observed between massive antigen loads and severe disseminated cryptococcosis.
  • The findings highlight the potential for exceptionally high antigen levels in certain cryptococcal infections.

    • Implications:

    • These findings may necessitate re-evaluation of diagnostic and prognostic thresholds for cryptococcal antigen.
    • Further research is warranted to understand the clinical significance and management of such high titers.
    • This could impact clinical decision-making and patient outcomes in severe cryptococcosis.