Question 2629

{"accessible":true,"alternatives":[{"id":12892,"text":"displacement of the internal carotid artery"},{"id":12890,"text":"extension through the stylomastoid foramen"},{"id":12891,"text":"narrowing of the stylomandibular tunnel"},{"id":12889,"text":"posterior displacement of the parapharyngeal fat"},{"id":12888,"text":"widening of the stylomandibular tunnel"}],"archived":false,"correctAlternativeId":12891,"explanation":"\u003cp\u003eFindings to help localize a mass to the carotid space mass include but are not limited to anterolateral displacement of the styloid process (which narrows the stylomandibular tunnel), anterior displacement of the parapharyngeal fat, lateral displacement of the posterior belly of the digastric, and extension through the jugular foramen. Direction of carotid artery displacement is variable and can occur in masses from other spaces. \u003c/p\u003e","id":2629,"imageUrl":"https://prod-images-static.radiopaedia.org/images/37731806/44f97cb391a873aaf227c86c6344d9_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":59561},"imageAttributionCaseInfo":{"title":"Vagal nerve schwannoma","contributor_name":"Ian Bickle","contributor_param":"clonvara","case_rid":59561,"case_param":"vagal-nerve-schwannoma"},"firstQuestionPath":"/questions/2630","nextQuestionPath":"/articles/carotid-space/questions/1645","relatedArticles":[],"alsoUsedIn":[{"id":1473,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1473","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1473"},{"id":1473,"kind":"Course","title":"CT \u0026 MRI Lectures - page 1473","link":"https://radiopaedia.org/courses/ct-mri-lectures/pages/1473"},{"id":1721,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1721","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1721"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":273,"kind":"LiveSchedule","title":"273","link":"https://radiopaedia.org/admin/live_schedules/273"}],"stem":"\u003cp\u003eWhich imaging feature is most suggestive of a carotid space mass?\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/2629"}],"attemptsPercentages":[{"alternativeId":"12890","percentage":4},{"alternativeId":"12889","percentage":4},{"alternativeId":"12891","percentage":64},{"alternativeId":"12888","percentage":9},{"alternativeId":"12892","percentage":19}],"promptToLogin":false,"questionManager":false,"articleId":"carotid-space"}