Question 1524
{"accessible":false,"alternatives":[{"id":7610,"text":"contra-coup"},{"id":7609,"text":"coup"},{"id":7613,"text":"infarction"},{"id":7612,"text":"shearing"},{"id":7611,"text":"subfalcine herniation"}],"archived":false,"correctAlternativeId":7612,"explanation":"\u003cp\u003eHemorrhage within the\u003cstrong\u003e\u0026nbsp;corpus callosum\u003c/strong\u003e is indicative of a \u003cstrong\u003eshearing-like mechanism\u003c/strong\u003e. Shearing forces — such as rotational acceleration; most often a deceleration\u0026nbsp;—\u0026nbsp;can result in diffuse axonal injuries. Patients with\u0026nbsp;diffuse axonal injuries will typically have a loss of\u0026nbsp;consciousness at the time of the accident. Involvement of the\u0026nbsp;corpus callosum would come under a grade II\u0026nbsp;diffuse axonal injury.\u003c/p\u003e","id":1524,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1524","nextQuestionPath":"/articles/coup-contrecoup-injury-brain/questions/908","relatedArticles":[{"id":13562,"title":"Diffuse axonal injury","link":"/articles/diffuse-axonal-injury?lang=us"},{"id":10020,"title":"Diffuse axonal injury (grading)","link":"/articles/diffuse-axonal-injury-grading-1?lang=us"},{"id":2122,"title":"Subfalcine herniation","link":"/articles/subfalcine-herniation?lang=us"}],"alsoUsedIn":[{"id":242,"kind":"Course","title":"Alfred ICU Teaching 2020","link":"https://radiopaedia.org/courses/alfred-icu-teaching-2020"},{"id":593,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 593","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/593"},{"id":593,"kind":"Course","title":"2020 Virtual Conference Private Use - page 593","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/593"},{"id":672,"kind":"RestrictedPage","title":"Page 672 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/672"},{"id":673,"kind":"Course","title":"Trauma \u0026 Emergency Radiology Course - page 673","link":"https://radiopaedia.org/courses/medical-mums/pages/673"},{"id":673,"kind":"Course","title":"2020 Virtual Conference Private Use - page 673","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/673"},{"id":859,"kind":"Course","title":"2021 Virtual Conference Private Use - page 859","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/859"},{"id":1409,"kind":"Course","title":"Emergency Radiology Course - page 1409","link":"https://radiopaedia.org/courses/emergency-radiology-course-online/pages/1409"},{"id":1409,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 1409","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2022/pages/1409"},{"id":1409,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 1409","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/1409"}],"stem":"\u003cp\u003eA trauma patient with a head injury and reduced GCS has a hemorrhage within the corpus callosum. What is the likely mechanism for the bleed?\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/1524"}],"attemptsPercentages":[{"alternativeId":"7613","percentage":2},{"alternativeId":"7610","percentage":6},{"alternativeId":"7609","percentage":1},{"alternativeId":"7612","percentage":85},{"alternativeId":"7611","percentage":7}],"promptToLogin":false,"questionManager":false,"articleId":"coup-contrecoup-injury-brain"}