Punctate lesion pattern suggestive of perivascular inflammation in acute natalizumab-associated progressive multifocal leukoencephalopathy: productive JC virus infection or preclinical PML-IRIS manifestation? Wattjes MP, Verhoeff L, Zentjens W, Killestein J, van Munster ET, Barkhof F, van Eijk JJJ J Neurol Neurosurg Psychiatry. 2013 May 21. PMID: 23695498. Abstract CommentRecommendBookmarkWatch