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Creutzfeldt-Jakob disease. Infection of infancy or childhood?

P Bergsholm, H Skre, S Mørk

    European Neurology
    |January 1, 1979
    PubMed

    Insights

    Early-life myoclonic encephalopathy may indicate a long incubation period for Creutzfeldt-Jakob disease (CJD). This case suggests a potential link, with over 40 years passing before CJD onset.

    Area of Science:

    • Neurology
    • Infectious Diseases
    • Prion Diseases

    Background:

    • Creutzfeldt-Jakob disease (CJD) is a fatal prion disease.
    • The incubation period for CJD is typically long and not well understood.
    • Infantile myoclonic encephalopathy is a rare neurological disorder.

    Observation:

    • A 51-year-old male patient diagnosed with CJD exhibited transient dyskinesias, intention myoclonus, and an exaggerated startle response in his youth.
    • These early-life neurological symptoms were observed decades before the CJD diagnosis.

    Findings:

    • The patient's early neurological symptoms suggest a possible association between infantile myoclonic encephalopathy and the later development of CJD.
    • This case indicates a potential incubation period exceeding 40 years for the CJD transmissible agent.

    Implications:

    • This finding could reshape our understanding of CJD pathogenesis and incubation periods.
    • Further research into early-life neurological conditions as potential indicators for prion diseases is warranted.
    • This case highlights the possibility of extremely long incubation periods for transmissible spongiform encephalopathies.

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