Question 1347
{"accessible":false,"alternatives":[{"id":6715,"text":"cytomegalovirus (CMV)"},{"id":6716,"text":"herpes simplex virus (HSV)"},{"id":6717,"text":"human immunodeficiency virus (HIV)"},{"id":6718,"text":"Japanese encephalitis virus (JEV)"},{"id":6719,"text":"John Cunningham virus (JCV)"},{"id":6720,"text":"varicella zoster virus (VSV)"}],"archived":false,"correctAlternativeId":6719,"explanation":"\u003cp\u003eProgressive multifocal leukoencephalopathy (PML) is a demyelinating disease which results from the reactivation of \u003ca title=\"JC virus\" class=\"internal\" href=\"/articles/john-cunningham-virus-1\"\u003eJohn Cunningham virus (JC virus)\u003c/a\u003e infecting oligodendrocytes in patients with compromised immune systems.\u003c/p\u003e","id":1347,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2132","nextQuestionPath":"/articles/progressive-multifocal-leukoencephalopathy/questions/765","relatedArticles":[],"alsoUsedIn":[{"id":497,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 497","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/497"},{"id":1170,"kind":"Course","title":"Adult Neuroradiology Review Course - page 1170","link":"https://radiopaedia.org/courses/adult-neuroradiology-review-course/pages/1170"},{"id":1170,"kind":"Course","title":"Adult Neuroradiology Review Course - page 1170","link":"https://radiopaedia.org/courses/adult-brain-mri-review-course-2015-online-video/pages/1170"}],"stem":"\u003cp\u003eWhich virus is the cause of progressive multifocal leukoencephalopathy (PML)?\u0026nbsp;\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1347"}],"attemptsPercentages":[{"alternativeId":"6717","percentage":17},{"alternativeId":"6716","percentage":3},{"alternativeId":"6719","percentage":69},{"alternativeId":"6715","percentage":7},{"alternativeId":"6720","percentage":1},{"alternativeId":"6718","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"progressive-multifocal-leukoencephalopathy"}