Question 2775
{"accessible":false,"alternatives":[{"id":13542,"text":"type 1a"},{"id":13543,"text":"type 1b"},{"id":13544,"text":"type 2a"},{"id":13545,"text":"type 2b"},{"id":13546,"text":"type 3a"},{"id":13547,"text":"type 3b"}],"archived":false,"correctAlternativeId":13544,"explanation":"\u003cp\u003eUnilateral pseudoarthrosis is found in type 2a. This asymmetric load distribution can cause pain and degeneration at the pseudo-joint. \u003c/p\u003e","id":2775,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2778","nextQuestionPath":null,"relatedArticles":[{"id":13624,"title":"Lumbosacral transitional vertebra","link":"/articles/lumbosacral-transitional-vertebra?lang=us"},{"id":24141,"title":"Castellvi classification of lumbosacral transitional vertebrae","link":"/articles/castellvi-classification-of-lumbosacral-transitional-vertebrae?lang=us"}],"alsoUsedIn":[{"id":1731,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1731","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1731"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":289,"kind":"LiveSchedule","title":"289","link":"https://radiopaedia.org/admin/live_schedules/289"},{"id":1502,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1502","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1502"},{"id":1948,"kind":"Course","title":"X-ray Interpretation: Lumbar Spine - page 1948","link":"https://radiopaedia.org/courses/x-ray-interpretation-lumbar-spine/pages/1948"}],"stem":"\u003cp\u003eBertolotti syndrome is a painful manifestation of a lumbosacral transitional segment, typically caused by what Castellvi type?\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/2775"}],"attemptsPercentages":[{"alternativeId":"13547","percentage":9},{"alternativeId":"13542","percentage":2},{"alternativeId":"13545","percentage":14},{"alternativeId":"13544","percentage":55},{"alternativeId":"13543","percentage":1},{"alternativeId":"13546","percentage":19}],"promptToLogin":false,"questionManager":false,"articleId":"bertolotti-syndrome"}