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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Illustrative Case | 1B1 PML whole mount copy
2A1,2 The brain of this patient has two different types of lesions. In this coronal section large areas of white matter appear mildly abnormal grossly (arrow, #1B1), which is seen at higher magnification in image #1B2.