A 38-year-old female asked:
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what are causes of progressive multifocal leukoencephilopathy? how is it diagnosed? i know how serious it is.

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Dr. Darren Gitelman
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The JC virus: Progressive multifocal leukoencephalopathy is caused by the jc virus. The virus is very common, but doesn't usually cause problems unless the immune system is impaired. It can be suspected based on brain MRI imaging in an immunocompromised patient. Other diagnostic tests include sending spinal fluid for jc virus PCR and brain biopsy. There is no treatment other than improving the immune system.
Answered on Oct 4, 2016
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Dr. John Leander Po
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Succinct, focused answer!
Feb 13, 2012

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