Question 78
{"accessible":false,"alternatives":[{"id":400,"text":"neurofibromatosis type 1"},{"id":401,"text":"neurofibromatosis type 2"},{"id":402,"text":"Sturge Weber disease"},{"id":403,"text":"tuberous sclerosis"},{"id":404,"text":"von Hippel Lindau disease"}],"archived":false,"correctAlternativeId":404,"explanation":"\u003cp\u003eSporadic cases make up approximately 75-80%, with the remainder being found in patients with \u003ca title=\"von Hippel Lindau disease (vHL)\" class=\"internal\" href=\"/articles/von-hippel-lindau-disease-5\"\u003evon \u003c/a\u003e\u003ca title=\"von Hippel Lindau disease (vHL)\" class=\"internal\" href=\"/articles/von-hippel-lindau-disease-5\"\u003eHippel Lindau\u003c/a\u003e\u003ca title=\"von Hippel Lindau disease (vHL)\" class=\"internal\" href=\"/articles/von-hippel-lindau-disease-5\"\u003e\u0026nbsp;disease\u003c/a\u003e.\u003c/p\u003e","id":78,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1078","nextQuestionPath":"/articles/haemangioblastoma-central-nervous-system-2/questions/77","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eHemangioblastomas are most frequently associated with...\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/78"}],"attemptsPercentages":[{"alternativeId":"400","percentage":5},{"alternativeId":"401","percentage":4},{"alternativeId":"403","percentage":3},{"alternativeId":"402","percentage":3},{"alternativeId":"404","percentage":84}],"promptToLogin":false,"questionManager":false,"articleId":"hemangioblastoma-central-nervous-system"}