progressive multifocal leukoencephalopathy (PML)

demyelinating disease due to papovavirus

seen in immunosuppressed hosts:
- lymphoma
- leukemia
- AIDS
- TB
- sarcoidosis
- organ transplant
most prominent in pareito-occipital white matter
NO contrast enhancement

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© 2002, C.E. Kahn, Jr.
2002-04-18