Question 776
{"accessible":false,"alternatives":[{"id":3938,"text":"aortic coarctation"},{"id":3939,"text":"Marfan syndrome"},{"id":3940,"text":"osteogenesis imperfecta"},{"id":3941,"text":"poliomyelitis"},{"id":3942,"text":"rheumatoid arthritis"}],"archived":false,"correctAlternativeId":3938,"explanation":"\u003cp\u003eAortic coarctation causes inferior rib notching (enlarged collaterals). The others are a cause of superior rib notching.\u0026nbsp;\u003c/p\u003e","id":776,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/914","nextQuestionPath":null,"relatedArticles":[{"id":5229,"title":"Rib notching","link":"/articles/rib-notching?lang=us"},{"id":12369,"title":"Rheumatoid arthritis","link":"/articles/rheumatoid-arthritis?lang=us"},{"id":6277,"title":"Coarctation of the aorta","link":"/articles/coarctation-of-the-aorta?lang=us"},{"id":9327,"title":"Osteogenesis imperfecta","link":"/articles/osteogenesis-imperfecta-1?lang=us"},{"id":34197,"title":"Poliomyelitis","link":"/articles/poliomyelitis?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following causes inferior rib notching?\u0026nbsp;\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/776"}],"attemptsPercentages":[{"alternativeId":"3941","percentage":2},{"alternativeId":"3940","percentage":4},{"alternativeId":"3939","percentage":4},{"alternativeId":"3942","percentage":6},{"alternativeId":"3938","percentage":83}],"promptToLogin":false,"questionManager":false,"articleId":"marfan-syndrome"}