- Progressive multifocal leukoencephalopathy complicating Wiskott-Aldrich syndrome. Report of a case and review of the literature of progressive multifocal leukoencephalopathy with other inherited immunodeficiency states. Katz, D.A., Berger, J.R., Hamilton, B., Major, E.O., Post, M.J. Arch. Neurol. (1994)