TY - JOUR T1 - Progressive multifocal leukoencephalopathy: clinical and MR response to treatment. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 597 LP - 600 VL - 17 IS - 3 AU - K Garrels AU - W Kucharczyk AU - G Wortzman AU - M Shandling Y1 - 1996/03/01 UR - http://www.ajnr.org/content/17/3/597.abstract N2 - Progressive multifocal leukoencephalopathy (PML) is a fatal demyelinating disease that occurs in immunocompromised hosts. We describe two patients with biopsy-proved PML who showed improvement clinically and radiologically after medical therapy. These cases reveal that interval improvement can in rare instances be consistent with a diagnosis of PML. ER -