Question 1512
{"accessible":false,"alternatives":[{"id":7551,"text":"acrania, duodenal atresia, renal agenesis"},{"id":7554,"text":"acrania, hypoplastic left heart, agenesis corpus callosum"},{"id":7552,"text":"acrania, limb body wall complex, omphalocele"},{"id":7553,"text":"renal agenesis, duodenal atresia, agenesis corpus callosum"}],"archived":false,"correctAlternativeId":7552,"explanation":"\u003cp\u003eDuodenal atresia “double bubble” not seen at this gestation as amount of swallowed amniotic fluid is not sufficient to exceed stomach absorption.\u003c/p\u003e\u003cp\u003eThe cavum septum pelliucidum (marker of formation of the corpus callosum) is often not seen until 18 weeks gestation.\u003c/p\u003e\u003cp\u003eRenal agenesis may be difficult to see due to confusion with the adrenal glands.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e","id":1512,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2167","nextQuestionPath":"/articles/dysgenesis-of-the-corpus-callosum/questions/1362","relatedArticles":[{"id":6363,"title":"Duodenal atresia","link":"/articles/duodenal-atresia?lang=gb"},{"id":7535,"title":"Renal agenesis","link":"/articles/renal-agenesis?lang=gb"},{"id":7407,"title":"Hypoplastic left heart syndrome","link":"/articles/hypoplastic-left-heart-syndrome?lang=gb"},{"id":11064,"title":"Limb body wall complex","link":"/articles/limb-body-wall-complex?lang=gb"},{"id":12140,"title":"Acrania","link":"/articles/acrania?lang=gb"}],"alsoUsedIn":[{"id":250,"kind":"Course","title":"The 11-13 week scan in the era of NIPT","link":"https://radiopaedia.org/courses/the-11-13-week-scan-in-the-era-of-nipt"},{"id":607,"kind":"Course","title":"Lectures by Sumathi Rajendran - page 607","link":"https://radiopaedia.org/courses/lectures-by-sumathi-rajendran/pages/607"},{"id":607,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 607","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/607"},{"id":607,"kind":"Course","title":"Obstetrics \u0026 Gynaecology Lectures - page 607","link":"https://radiopaedia.org/courses/obgyn-lectures/pages/607"},{"id":607,"kind":"Course","title":"2020 Virtual Conference Private Use - page 607","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/607"}],"stem":"\u003cp\u003eWhat structural abnormalities can reliably be detected at the 11-13 weeks scan?\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/1512"}],"attemptsPercentages":[{"alternativeId":"7553","percentage":5},{"alternativeId":"7554","percentage":19},{"alternativeId":"7551","percentage":13},{"alternativeId":"7552","percentage":63}],"promptToLogin":false,"questionManager":false,"articleId":"dysgenesis-of-the-corpus-callosum"}