Question 1662
{"accessible":false,"alternatives":[{"id":8272,"text":"haemangioblastoma"},{"id":8273,"text":"meningioma"},{"id":8271,"text":"myxopapillary ependymoma"},{"id":8274,"text":"paraganglioma"},{"id":8270,"text":"schwannoma"}],"archived":false,"correctAlternativeId":8271,"explanation":"\u003cul\u003e\u003cli\u003e\u003ca href=\"/articles/myxopapillary-ependymoma-1\"\u003emyxopapillary ependymoma\u003c/a\u003e\u0026nbsp;is a variant type of\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/spinal-ependymoma?lang=gb\"\u003eependymoma\u003c/a\u003e\u0026nbsp;classified \u003ca href=\"https://radiopaedia.org/articles/who-classification-of-cns-tumours-1?lang=gb\"\u003eWHO grade\u003c/a\u003e\u0026nbsp;I of the ependymal tumours. It is by\u0026nbsp;the most common tumour of the conus medullaris and filum terminale, representing more than 90% of tumours in this region.\u0026nbsp;Most commonly seen in young adult males.\u003c/li\u003e\u003cli\u003e\u003ca href=\"/articles/schwannoma\"\u003eschwannoma\u003c/a\u003e is second most common tumour in this region\u003c/li\u003e\u003cli\u003e\u003ca href=\"/articles/spinal-paraganglioma\"\u003eparaganglioma\u003c/a\u003e, \u003ca href=\"/articles/spinal-haemangioblastoma\"\u003ehaemangioblastoma\u003c/a\u003e, and \u003ca href=\"/articles/spinal-meningioma\"\u003emeningioma\u003c/a\u003e are less common in this region\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e","id":1662,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2454","nextQuestionPath":"/articles/spinal-ependymoma/questions/515","relatedArticles":[{"id":19575,"title":"Schwannoma","link":"/articles/schwannoma?lang=gb"},{"id":19063,"title":"Spinal meningioma","link":"/articles/spinal-meningioma?lang=gb"},{"id":19263,"title":"Myxopapillary ependymoma","link":"/articles/myxopapillary-ependymoma-1?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following tumours is most commonly located at the cauda equina?\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/1662"}],"attemptsPercentages":[{"alternativeId":"8273","percentage":4},{"alternativeId":"8272","percentage":2},{"alternativeId":"8270","percentage":10},{"alternativeId":"8274","percentage":3},{"alternativeId":"8271","percentage":81}],"promptToLogin":false,"questionManager":false,"articleId":"spinal-ependymoma"}