Question 1066
{"accessible":true,"alternatives":[{"id":5345,"text":"A"},{"id":5346,"text":"B"},{"id":5347,"text":"both"},{"id":5348,"text":"neither"}],"archived":false,"correctAlternativeId":5345,"explanation":"\u003cp\u003e\u003ca href=\"/articles/congenital-pseudoarthrosis-of-the-tibia\"\u003eUlnar pseudoarthrosis\u003c/a\u003e (patient A)\u0026nbsp;is seen almost exclusively in the setting of \u003ca href=\"/articles/neurofibromatosis-type-1\"\u003eneurofibromatosis type 1\u003c/a\u003e. Bilateral \u003ca href=\"/articles/acoustic-schwannoma-1\"\u003eacoustic schwannomas\u003c/a\u003e (patient B) are a characteristic feature of \u003ca href=\"/articles/neurofibromatosis-type-2-3\"\u003eneurofibromatosis type 2\u003c/a\u003e rather than type 1.\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFrom:\u003c/strong\u003e\u0026nbsp;\u003ca href=\"https://radiopaedia.org/courses/radiology-review-course-online\"\u003eRadiology Review Course - Online\u003c/a\u003e\u003c/p\u003e","id":1066,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/674/images-for-mcqs-2_big_gallery.jpeg","imageAttribution":{"kind":"external","attribution":"Case A: Neurofibromatosis type 1 - ulnar pseudoarthrosis (rID: 10282) contributed by Andrew Dixon. Case B: Bilateral acoustic schwannomas - neurofibromatosis type 2 (rID: 5325) contributed by Frank Gaillard."},"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2140","nextQuestionPath":"/articles/neurofibromatosis-type-1/questions/1005","relatedArticles":[{"id":34923,"title":"Neurofibromatosis","link":"/articles/neurofibromatosis?lang=us"}],"alsoUsedIn":[{"id":232,"kind":"Course","title":"Radiology Review Course - Melbourne - page 232","link":"https://radiopaedia.org/courses/radiology-review-course-melbourne-2019/pages/232"},{"id":232,"kind":"Course","title":"Radiology Review Course - Melbourne - page 232","link":"https://radiopaedia.org/courses/radiology-review-course-melbourne-2018/pages/232"},{"id":232,"kind":"Course","title":"Radiology Review Course - Melbourne - page 232","link":"https://radiopaedia.org/courses/radiology-review-course-melbourne-2020/pages/232"},{"id":232,"kind":"Course","title":"Radiology Review Course - page 232","link":"https://radiopaedia.org/courses/radiology-review-course-online/pages/232"}],"stem":"\u003cp\u003eWhich patient has neurofibromatosis type 1?\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/1066"}],"attemptsPercentages":[{"alternativeId":"5345","percentage":54},{"alternativeId":"5346","percentage":24},{"alternativeId":"5347","percentage":14},{"alternativeId":"5348","percentage":8}],"promptToLogin":false,"questionManager":false,"articleId":"neurofibromatosis-type-1"}