Question 1395
{"accessible":false,"alternatives":[{"id":6953,"text":"microhemorrhage"},{"id":6954,"text":"perforating artery"},{"id":6955,"text":"perimedullary vein"},{"id":6956,"text":"perivascular space"},{"id":6957,"text":"periventricular grey matter"}],"archived":false,"correctAlternativeId":6955,"explanation":"\u003cp\u003eDemyelinating plaques are perivenular.\u0026nbsp;The \u003ca title=\"Central vein sign\" class=\"internal\" href=\"/articles/central-vein-sign-1\"\u003ecentral vein sign\u003c/a\u003e is a marker for multiple sclerosis and is the imaging manifestation of this.\u0026nbsp;\u003c/p\u003e","id":1395,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2590","nextQuestionPath":"/articles/multiple-sclerosis/questions/1005","relatedArticles":[],"alsoUsedIn":[{"id":507,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 507","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/507"},{"id":1067,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 1067","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/1067"}],"stem":"\u003cp\u003eWhich of the following will usually be found in\u0026nbsp;the center of most periventricular demyelinating lesions in patients with MS?\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/1395"}],"attemptsPercentages":[{"alternativeId":"6954","percentage":6},{"alternativeId":"6957","percentage":8},{"alternativeId":"6956","percentage":10},{"alternativeId":"6955","percentage":72},{"alternativeId":"6953","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"multiple-sclerosis"}