Question 291
{"accessible":false,"alternatives":[{"id":1415,"text":"extends across sutures"},{"id":1416,"text":"extends into the cerebral sulci"},{"id":1417,"text":"forms a crescentic collection"},{"id":1418,"text":"forms a lens shaped collection"},{"id":1419,"text":"is adjacent to the galeal aponeurosis"}],"archived":false,"correctAlternativeId":1418,"explanation":"\u003cp\u003eBlood in an extradural hemorrhage is contained between the dura and the cranium. As it\u0026nbsp;expands, the dura is stripped off the cranium creating a characteristic lens-shaped collection.\u003c/p\u003e\u003cp\u003eThe dura\u0026nbsp;cannot be stripped passed the sutures and therefore\u0026nbsp;an extradural hemorrhage is contained by the skull sutures.\u003c/p\u003e\u003cp\u003eSubdural hemorrhage is seen as a crescentic collection and can cross sutures. If the blood extends into the cerebral sulci, it is in the subarachnoid space. Blood between the cranium and galeal aponeurosis is extracranial and in the subgaleal space.\u003c/p\u003e","id":291,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2516","nextQuestionPath":"/articles/extradural-haemorrhage/questions/234","relatedArticles":[{"id":32666,"title":"Extradural hemorrhage (summary)","link":"/articles/extradural-haemorrhage-summary?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eIn an extradural hemorrhage, the blood...\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/291"}],"attemptsPercentages":[{"alternativeId":"1415","percentage":10},{"alternativeId":"1416","percentage":3},{"alternativeId":"1417","percentage":6},{"alternativeId":"1419","percentage":1},{"alternativeId":"1418","percentage":80}],"promptToLogin":false,"questionManager":false,"articleId":"extradural-hemorrhage"}