Abstract
We report on a case of biopsy-proven progressive multifocal leukoencephalopathy (PML) in a patient without obvious immunodeficiency. Analysis of the cerebrospinal fluid revealed the simultaneous presence of JC virus DNA and of locally produced, anti-JC virus antibodies. The intrathecal humoral immune response increased throughout the course of the disease, whereas the detection of the JC genome became ultimately negative in spite of the continuous extension of the lesions with fatal outcome.
MeSH terms
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Aged
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Antibodies, Viral / cerebrospinal fluid*
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DNA, Viral / analysis*
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Disease Progression
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Electroencephalography
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Fatal Outcome
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Humans
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JC Virus / genetics
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JC Virus / immunology
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JC Virus / isolation & purification*
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Leukoencephalopathy, Progressive Multifocal / cerebrospinal fluid
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Leukoencephalopathy, Progressive Multifocal / diagnosis*
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Leukoencephalopathy, Progressive Multifocal / virology*
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Magnetic Resonance Imaging
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Male
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Polymerase Chain Reaction
Substances
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Antibodies, Viral
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DNA, Viral