Question 2893

{"accessible":true,"alternatives":[{"id":14103,"text":"Bosniak class I"},{"id":14104,"text":"Bosniak class II"},{"id":14105,"text":"Bosniak class IIF"},{"id":14106,"text":"Bosniak class III"},{"id":14107,"text":"Bosniak class IV"}],"archived":false,"correctAlternativeId":14107,"explanation":"\u003cp\u003eA large cystic mass with thick enhancing wall and internal septations and an enhancing septal nodule is noted in the left kidney inferring a Bosniak class IV lesion (version 2019) with a likelihood of malignancy up to 90%.\u003c/p\u003e","id":2893,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/1078/2_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":61987},"imageAttributionCaseInfo":{"title":"Renal cystic mass (Bosniak class IV)","contributor_name":"Mohammad Taghi Niknejad","contributor_param":"dr mt niknejad","case_rid":61987,"case_param":"renal-cystic-mass-bosniak-class-iv-1"},"firstQuestionPath":"/questions/2898","nextQuestionPath":"/articles/renal-cyst-1/questions/2892","relatedArticles":[{"id":86757,"title":"Bosniak classification of cystic renal masses (version 2019)","link":"/articles/bosniak-classification-of-cystic-renal-masses-version-2019?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eA 55-year-old female patient with microscopic hematuria. Regarding pre and post contrast CT images what is the Bosniak class of the left renal cystic mass?\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/2893"}],"attemptsPercentages":[{"alternativeId":"14106","percentage":6},{"alternativeId":"14107","percentage":94},{"alternativeId":"14103","percentage":0},{"alternativeId":"14104","percentage":0},{"alternativeId":"14105","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"renal-cyst"}