Question 49
{"accessible":false,"alternatives":[{"id":231,"text":"left kidney"},{"id":233,"text":"liver"},{"id":232,"text":"pancreas"},{"id":230,"text":"spleen"},{"id":258,"text":"stomach"}],"archived":false,"correctAlternativeId":233,"explanation":"\u003cp\u003e\u003cstrong\u003eBeaver tail liver\u003c/strong\u003e, also known as a\u0026nbsp;\u003cstrong\u003esliver of liver\u003c/strong\u003e, is a variant of hepatic morphology where an elongated left\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/liver\"\u003eliver\u003c/a\u003e\u0026nbsp;lobe extends laterally to contact and often surround the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/spleen-1\"\u003espleen\u003c/a\u003e. The parenchyma is normal and thereby has the same risks of hepatic pathology as the rest of the liver except theoretically in trauma, where it is more prone injury following trauma to the left upper quadrant or lower left chest.\u003c/p\u003e\u003cp\u003eWhen the liver and spleen have identical density on CT or echogenicity on ultrasound, it may be difficult to differentiate the two organs.\u0026nbsp;\u003c/p\u003e","id":49,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2036","nextQuestionPath":null,"relatedArticles":[{"id":5726,"title":"Liver","link":"/articles/liver?lang=us"},{"id":5637,"title":"Stomach","link":"/articles/stomach?lang=us"},{"id":25813,"title":"Kidneys","link":"/articles/kidneys?lang=us"},{"id":39318,"title":"Beaver tail liver","link":"/articles/beaver-tail-liver?lang=us"}],"alsoUsedIn":[{"id":396,"kind":"RestrictedPage","title":"Page 396 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/396"}],"stem":"\u003cp\u003eIn which organ may a ‘beaver tail’ variant be found?\u003c/p\u003e\u003cp\u003e\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/49"}],"attemptsPercentages":[{"alternativeId":"231","percentage":6},{"alternativeId":"258","percentage":4},{"alternativeId":"233","percentage":62},{"alternativeId":"230","percentage":10},{"alternativeId":"232","percentage":19}],"promptToLogin":false,"questionManager":false,"articleId":"spleen"}