Question 544
{"accessible":false,"alternatives":[{"id":2727,"text":"ascending paracaecal preileal"},{"id":2728,"text":"ascending paracaecal retroileal"},{"id":2729,"text":"ascending retrocecal"},{"id":2730,"text":"subcecal"},{"id":2731,"text":"transverse retrocecal"}],"archived":false,"correctAlternativeId":2729,"explanation":"\u003cp\u003eThe location of the base of the appendix is relatively constant, located roughly between the ileocecal valve and the apex of the cecum. This relationship is maintained even when the cecum is mobile.\u003c/p\u003e\u003cp\u003eThe location of the tip of the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/appendix\"\u003eappendix\u003c/a\u003e\u0026nbsp;is much more variable,\u0026nbsp;especially as the length of the appendix has an extensive range (2-20 cm). The distribution of positions are described as:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003ebehind the cecum (ascending retrocecal): 65%\u003c/li\u003e\n\u003cli\u003einferior to the cecum (subcecal): 30%\u003c/li\u003e\n\u003cli\u003ebehind the cecum (transverse retrocecal): 2%\u003c/li\u003e\n\u003cli\u003eanterior to the ileum (ascending paracaecal preileal): 1%\u003c/li\u003e\n\u003cli\u003eposterior to the ileum (ascending paracaecal retroileal): 0.5%\u003c/li\u003e\n\u003c/ul\u003e","id":544,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2640","nextQuestionPath":"/articles/acute-appendicitis-2/questions/543","relatedArticles":[{"id":22654,"title":"Appendix","link":"/articles/appendix-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhere is the most common location of the tip of the appendix?\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/544"}],"attemptsPercentages":[{"alternativeId":"2728","percentage":8},{"alternativeId":"2729","percentage":66},{"alternativeId":"2731","percentage":11},{"alternativeId":"2730","percentage":8},{"alternativeId":"2727","percentage":8}],"promptToLogin":false,"questionManager":false,"articleId":"acute-appendicitis"}