Question 1869
{"accessible":false,"alternatives":[{"id":9283,"text":"left lower lobe"},{"id":9284,"text":"left upper lobe"},{"id":9285,"text":"right lower lobe"},{"id":9286,"text":"right middle lobe"},{"id":9287,"text":"right upper lobe"}],"archived":false,"correctAlternativeId":9284,"explanation":"\u003cp\u003e\u003cstrong\u003eCongenital lobar overinfl\u003c/strong\u003e\u003cstrong\u003eation (CLO),\u0026nbsp;\u003c/strong\u003epreviously called\u0026nbsp;\u003cstrong\u003econgenital lobar emphysema\u003c/strong\u003e,\u0026nbsp;is a\u0026nbsp;congenital lung abnormality\u0026nbsp;that results in progressive overinflation of one or more lobes of a neonate's lung.\u0026nbsp;\u003c/p\u003e\u003cp\u003eCongenital lobar overinflation has a pronounced predilection for certain lobes:\u003c/p\u003e\u003cul\u003e\u003cli\u003eleft upper lobe: most common, 40-45%\u003c/li\u003e\u003cli\u003eright middle lobe: 30%\u003c/li\u003e\u003cli\u003eright upper lobe: 20%\u003c/li\u003e\u003cli\u003einvolving more than a single lobe:\u0026nbsp;5%\u003c/li\u003e\u003cli\u003emuch rarer in the lower lobes\u003c/li\u003e\u003c/ul\u003e","id":1869,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2508","nextQuestionPath":"/articles/congenital-lobar-overinflation/questions/1094","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich lobe is most commonly affected in congenital lobar overinflation?\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/1869"}],"attemptsPercentages":[{"alternativeId":"9285","percentage":3},{"alternativeId":"9284","percentage":79},{"alternativeId":"9287","percentage":9},{"alternativeId":"9283","percentage":5},{"alternativeId":"9286","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"congenital-lobar-overinflation"}