BK virus-associated progressive multifocal leukoencephalopathy.

1. Lopes da Silva R. Polyoma BK virus: an emerging opportunistic infectious agent of the human central nervous system. Braz J Infect Dis. 2011; 15: 276-84. 2. Reploeg MD, Storch GA, Clifford DB. BK virus: a clinical review. Clin Infect Dis. 2001; 33:191-202. 3. Hix JK, Braun WE, Isada CM. Delirium in a renal transplant recipient associated with BK virus in the cerebrospinal fluid. Transplantation 2004; 78:1407-8. 4. Cabrejo L, Diop M, Blohorn-Sense A, Mihout B. Progressive BK virus associated multifocal leukoencephalopathy in an immunocompromised patient treated with corticosteroids. Rev Neurol 2005; 161: 326-330. 5. Blanckaert, K, De Vriese, AS. Current recommendations for diagnosis and management of polyoma BK virus nephropathy in renal transplant recipients. Nephrol Dial Transplant 2006; 21: 3364-67. To describe a rare case of BK virusassociated progressive multifocal leukoencephalopathy.