Question 2897
{"accessible":false,"alternatives":[{"id":14123,"text":"Bosniak class I"},{"id":14124,"text":"Bosniak class II"},{"id":14125,"text":"Bosniak class IIF"},{"id":14126,"text":"Bosniak class III"},{"id":14127,"text":"Bosniak class IV"}],"archived":false,"correctAlternativeId":14127,"explanation":"\u003cp\u003eAccording to Bosniak classification version 2019, an enhancing nodule with acute angles to the wall or septa at any size suggests a Bosniak class IV lesion and the risk of malignancy is estimated up to 90%.\u003c/p\u003e","id":2897,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2898","nextQuestionPath":"/articles/bosniak-classification-of-cystic-renal-masses-version-2019/questions/2896","relatedArticles":[{"id":32590,"title":"Renal cyst","link":"/articles/renal-cyst-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eOn abdominal CT images of a 45-year-old man, there is a 55 mm partially exophytic cystic mass in the lower pole of the right kidney that contains a 3 mm enhancing nodule with acute angles to the wall. What is the Bosniak class according to the Bosniak classification version 2019?\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/2897"}],"attemptsPercentages":[{"alternativeId":"14126","percentage":25},{"alternativeId":"14127","percentage":75},{"alternativeId":"14123","percentage":0},{"alternativeId":"14124","percentage":0},{"alternativeId":"14125","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"bosniak-classification-of-cystic-renal-masses-version-2019"}