Question 2511
{"accessible":false,"alternatives":[{"id":12337,"text":"acute disseminated encephalomyelitis (ADEM)"},{"id":12338,"text":"multiple sclerosis (MS)"},{"id":12339,"text":"nitrous oxide abuse"},{"id":12340,"text":"sarcoidosis"},{"id":12341,"text":"spinal cord infarct"}],"archived":false,"correctAlternativeId":12341,"explanation":"\u003cp\u003eThe anterior horns are part of the cord grey matter containing motor neuron cell bodies. As in the brain, grey matter is sensitive to ischemia or infarction, and the most common arterial territory to be affected is the anterior spinal artery territory including the anterior horns.\u003c/p\u003e\u003cp\u003eNitrous oxide abuse causes demyelination of the dorsal columns, at the posterior aspect of the cord as nitrous oxide interferes with vitamin B12 metabolism. MS and ADEM are mostly white matter demyelinating diseases. Sarcoidosis often has no specific pattern on T2-weighted imaging, whilst abnormal contrast enhancement tends to involve the pial surface and central canal.\u003c/p\u003e","id":2511,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2511","nextQuestionPath":"/articles/acute-disseminated-encephalomyelitis-adem-1/questions/692","relatedArticles":[{"id":1700,"title":"Multiple sclerosis","link":"/articles/multiple-sclerosis?lang=us"},{"id":2019,"title":"Sarcoidosis","link":"/articles/sarcoidosis-1?lang=us"},{"id":25132,"title":"Acute spinal cord ischemia syndrome","link":"/articles/acute-spinal-cord-ischaemia-syndrome?lang=us"},{"id":30559,"title":"Nitrous oxide toxicity","link":"/articles/nitrous-oxide-toxicity?lang=us"}],"alsoUsedIn":[{"id":1343,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1343","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1343"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":153,"kind":"LiveSchedule","title":"153","link":"https://radiopaedia.org/admin/live_schedules/153"},{"id":1264,"kind":"Course","title":"Neuroradiology Lectures - page 1264","link":"https://radiopaedia.org/courses/neuroradiology-lectures/pages/1264"},{"id":1264,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1264","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1264"},{"id":1264,"kind":"Course","title":"New test course - page 1264","link":"https://radiopaedia.org/courses/new-test-course/pages/1264"}],"stem":"\u003cp\u003eWhich of the following conditions is associated with myelopathy involving the anterior horns of the spinal cord?\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/2511"}],"attemptsPercentages":[{"alternativeId":"12339","percentage":3},{"alternativeId":"12340","percentage":2},{"alternativeId":"12337","percentage":5},{"alternativeId":"12338","percentage":3},{"alternativeId":"12341","percentage":87}],"promptToLogin":false,"questionManager":false,"articleId":"acute-disseminated-encephalomyelitis-adem"}