Question 2166
{"accessible":false,"alternatives":[{"id":10754,"text":"boxing/squaring off of the frontal horns can be seen"},{"id":10755,"text":"echogenic line passing through the anechoic area in the midline near the frontal horns represents cavum septi pellucidi"},{"id":10756,"text":"it can be due to developmental and acquired causes"},{"id":10757,"text":"it is always visualized between 18 and 37 weeks of gestation"},{"id":10758,"text":"it is partly or entirely absent in 2-3 individuals per 100,000 in the general population"}],"archived":false,"correctAlternativeId":10755,"explanation":"\u003cp\u003eAn echogenic line passing through the anechoic area in the midline near the frontal horns represents columns of the fornix. An echogenic line does not pass through the cavum septi pellucidi.\u003c/p\u003e","id":2166,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2167","nextQuestionPath":null,"relatedArticles":[{"id":1066,"title":"Cavum septum pellucidum","link":"/articles/cavum-septum-pellucidum-3?lang=us"}],"alsoUsedIn":[{"id":982,"kind":"Course","title":"2021 Virtual Conference Private Use - page 982","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/982"},{"id":982,"kind":"Course","title":"Radiopaedia 2021 - isoCME - page 982","link":"https://radiopaedia.org/courses/radiopaedia-2021-isocme/pages/982"},{"id":982,"kind":"Course","title":"2022 Virtual Conference Private Use - page 982","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/982"},{"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":17,"kind":"LiveSchedule","title":"17","link":"https://radiopaedia.org/admin/live_schedules/17"},{"id":891,"kind":"Course","title":"2021 Virtual Conference Private Use - page 891","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/891"},{"id":891,"kind":"Course","title":"Radiopaedia 2021 - isoCME - page 891","link":"https://radiopaedia.org/courses/radiopaedia-2021-isocme/pages/891"},{"id":891,"kind":"Course","title":"Obstetrics \u0026 Gynaecology Lectures - page 891","link":"https://radiopaedia.org/courses/obgyn-lectures/pages/891"}],"stem":"\u003cp\u003eRegarding absent cavum septi pellucidi, all of the following are correct \u003cstrong\u003eEXCEPT...\u003c/strong\u003e\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/2166"}],"attemptsPercentages":[{"alternativeId":"10754","percentage":9},{"alternativeId":"10755","percentage":62},{"alternativeId":"10757","percentage":12},{"alternativeId":"10756","percentage":7},{"alternativeId":"10758","percentage":10}],"promptToLogin":false,"questionManager":false,"articleId":"absent-septum-pellucidum"}