Question 710
{"accessible":true,"alternatives":[{"id":3578,"text":"A"},{"id":3579,"text":"B"},{"id":3580,"text":"C"},{"id":3581,"text":"D"},{"id":3582,"text":"E"},{"id":3583,"text":"F"}],"archived":false,"correctAlternativeId":3582,"explanation":"\u003cp\u003eSignal intensity of a B=1000 DWI image is in many ways similar to \u003ca href=\"/articles/fluid-attenuation-inversion-recovery\" title=\"FLAIR sequence\"\u003eFLAIR\u003c/a\u003e; the grey matter is of higher signal intensity than the adjacent white matter, a characteristic of T2 weighted images and the CSF\u0026nbsp;is attenuated to\u0026nbsp;essentially unimpeded diffusion. Note, however, the artefact from the frontal sinuses, a characteristic of \u003ca href=\"/articles/diffusion-weighted-imaging-1\" title=\"DWI\"\u003eDWI\u003c/a\u003e.\u0026nbsp;\u003c/p\u003e","id":710,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/938/images-for-mcqs-1__1__big_gallery.jpeg","imageAttribution":{"kind":"external","attribution":"Frank Gaillard rID: 42777 and 40748"},"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/711","nextQuestionPath":"/articles/mri-sequence-parameters/questions/709","relatedArticles":[{"id":37346,"title":"MRI sequences (overview)","link":"/articles/mri-sequences-overview?lang=gb"}],"alsoUsedIn":[{"id":977,"kind":"RestrictedPage","title":"Page 977 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/977"},{"id":976,"kind":"Course","title":"2021 Virtual Conference Private Use - page 976","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/976"},{"id":976,"kind":"Course","title":"2022 Virtual Conference Private Use - page 976","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/976"},{"id":970,"kind":"RestrictedPage","title":"Page 970 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/970"},{"id":955,"kind":"RestrictedPage","title":"Page 955 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/955"},{"id":1,"kind":"LiveSchedule","title":"1","link":"https://radiopaedia.org/admin/live_schedules/1"},{"id":11,"kind":"LiveSchedule","title":"11","link":"https://radiopaedia.org/admin/live_schedules/11"},{"id":1344,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1344","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1344"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":155,"kind":"LiveSchedule","title":"155","link":"https://radiopaedia.org/admin/live_schedules/155"},{"id":927,"kind":"Course","title":"2021 Virtual Conference Private Use - page 927","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/927"},{"id":927,"kind":"Course","title":"CT \u0026 MRI Lectures - page 927","link":"https://radiopaedia.org/courses/ct-mri-lectures/pages/927"},{"id":1204,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1204","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1204"}],"stem":"\u003cp\u003eWhich of the following panels in the accompanying collage of axial MRI images of the brain demonstrates\u0026nbsp;a diffusion weighted sequence (DWI)?\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/710"}],"attemptsPercentages":[{"alternativeId":"3582","percentage":79},{"alternativeId":"3579","percentage":2},{"alternativeId":"3581","percentage":6},{"alternativeId":"3583","percentage":4},{"alternativeId":"3578","percentage":2},{"alternativeId":"3580","percentage":7}],"promptToLogin":false,"questionManager":false,"articleId":"mri-sequence-parameters"}