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  • Title: Progressive multifocal leukoencephalopathy and JC Virus-related disease in modern neurology practice.
    Author: Carruthers RL, Berger J.
    Journal: Mult Scler Relat Disord; 2014 Jul; 3(4):419-30. PubMed ID: 25877052.
    Abstract:
    The natural history and clinical import of Progressive Multifocal Leukoencephalopathy has changed enormously in the last thirty years. After a resurgence of PML during the HIV/AIDS epidemic, advances in the treatment of multiple sclerosis created another group of 'at risk' patients. With a focus on issues pertaining to the multiple sclerosis patient population, this review covers pathophysiology of the JC virus, causes of PML, mechanisms by which natalizumab increases the risk of PML, determinants of PML risk in natalizumab-treated patients, risks of natalizumab discontinuation, PML prevention and surveillance, PML imaging features, PML diagnosis and stumbling blocks to making the diagnosis, PML and PML-Immune Reconstitution Inflammatory Syndrome (IRIS) treatment.
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