J Korean Neurol Assoc.  2012 Aug;30(3):218-221.

Progressive Multifocal Leukoencephalopathy Presenting as Viral Encephalitis in a Healthy Adult

Affiliations
  • 1Department of Neurology, Kosin University College of Medicine, Busan, Korea. keiesskim@yahoo.co.kr

Abstract

Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease of the central nervous system caused by the human polyomavirus JC virus. PML mainly occurs in immunocompromised patients. A 36-year-old man with no evidence of immunosuppresion presented seizures. MRI scans of brain showed multifocal lesions in the cerebral white matters. JC virus DNA was positive in the cerebrospinal fluid examined by JC virus PCR. We report a rare case of PML presenting as viral encephalitis that occurred in a healthy adult person.

Keyword

JC virus; Progressive multifocal leukoencephalopathy; Viral encephalitis

MeSH Terms

Adult
Brain
Central Nervous System
Demyelinating Diseases
DNA
Encephalitis, Viral
Humans
Immunocompromised Host
JC Virus
Leukoencephalopathy, Progressive Multifocal
Magnetic Resonance Imaging
Polymerase Chain Reaction
Seizures
Viruses
DNA
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