Question 2803

{"accessible":false,"alternatives":[{"id":13678,"text":"extensive parenchymal edema"},{"id":13679,"text":"heterogeneous enhancement"},{"id":13680,"text":"normal adjacent bone"},{"id":13681,"text":"prominent dural tail"},{"id":13682,"text":"visibly displaced dura"}],"archived":false,"correctAlternativeId":13682,"explanation":"\u003cp\u003eIn 1 series, approximately 7% of dural lesions were meningioma mimics (Nagai Yamaki et al., ‘Dural-Based Lesions’, Neuroradiology (2021)) including metastases, solitary fibrous tumors and lymphoma. Although not sensitive, the 'dural displacement sign' was present in 36% of mimics and a helpful 'red flag' to suggest a meningioma mimic. \u003c/p\u003e\u003cp\u003eOther clues to a meningioma mimic include - an absent dural tail, extreme T2 hypointensity or T2 hyperintensity, leptomeningeal extension of disease, abnormal overlying bone (eg permeative or destructive changes).\u003c/p\u003e\u003cp\u003eExtensive parenchymal edema, heterogeneous enhancement, normal adjacent bone and a prominent dural tail are often seen with meningiomas and do not help to differentiate between meningiomas and mimics.\u003c/p\u003e","id":2803,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2803","nextQuestionPath":"/articles/meningioma/questions/2313","relatedArticles":[{"id":42128,"title":"Dural metastases","link":"/articles/dural-metastases?lang=us"},{"id":32565,"title":"Dural masses","link":"/articles/dural-masses?lang=us"}],"alsoUsedIn":[{"id":1722,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1722","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1722"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":275,"kind":"LiveSchedule","title":"275","link":"https://radiopaedia.org/admin/live_schedules/275"},{"id":1461,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1461","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1461"},{"id":1461,"kind":"Course","title":"2024 Virtual Conference Private Use - page 1461","link":"https://radiopaedia.org/courses/2024-virtual-conference-private-use/pages/1461"},{"id":1461,"kind":"Course","title":"Example Lectures - page 1461","link":"https://radiopaedia.org/courses/example-lectures/pages/1461"},{"id":1461,"kind":"Course","title":"Neuroradiology Lectures - page 1461","link":"https://radiopaedia.org/courses/neuroradiology-lectures/pages/1461"},{"id":1461,"kind":"Course","title":"New test course - page 1461","link":"https://radiopaedia.org/courses/new-test-course/pages/1461"}],"stem":"\u003cp\u003eWhich of the following imaging features suggests that a dural lesion could be a meningioma mimic?\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/2803"}],"attemptsPercentages":[{"alternativeId":"13679","percentage":5},{"alternativeId":"13678","percentage":5},{"alternativeId":"13681","percentage":18},{"alternativeId":"13682","percentage":67},{"alternativeId":"13680","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"meningioma"}