Question 2421
{"accessible":true,"alternatives":[{"id":11908,"text":"fat-pad impingement syndrome"},{"id":11910,"text":"juvenile osteochondritis"},{"id":11909,"text":"osteochondral fracture"},{"id":11911,"text":"osteomyelitis"},{"id":11912,"text":"pre-patellar bursitis"}],"archived":false,"correctAlternativeId":11910,"explanation":"\u003cp\u003eThere is an abnormality in the subchondral bone of the anterior portion of the femoral condyle. This is juvenile osteochondritis but in an unusual location. Edema is common secondary to symptomatic osteochondritis.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThere is no evidence of an osteochondral fracture.\u0026nbsp;\u003c/p\u003e\u003cp\u003eWhile there is some edema in the anterior subcutaneous fat, there is no evidence of bursitis.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e","id":2421,"imageUrl":"https://prod-images-static.radiopaedia.org/images/52969536/b11684a5c63893cabd2f406b8c19e8_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":79234},"imageAttributionCaseInfo":{"title":"Juvenile osteochondritis dissecans","contributor_name":"Jeremy Jones","contributor_param":"drjermy","case_rid":79234,"case_param":"juvenile-osteochondritis-dissecans-2"},"firstQuestionPath":"/questions/2421","nextQuestionPath":null,"relatedArticles":[{"id":63295,"title":"Osteochondral fracture","link":"/articles/osteochondral-fracture?lang=us"}],"alsoUsedIn":[{"id":1353,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1353","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1353"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":166,"kind":"LiveSchedule","title":"166","link":"https://radiopaedia.org/admin/live_schedules/166"},{"id":1296,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1296","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1296"},{"id":1296,"kind":"Course","title":"Paediatric Lectures - page 1296","link":"https://radiopaedia.org/courses/paediatric-lectures/pages/1296"}],"stem":"\u003cp\u003eWhat is the most likely cause of anterior knee pain in this 13-year-old soccer player?\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/2421"}],"attemptsPercentages":[{"alternativeId":"11911","percentage":1},{"alternativeId":"11910","percentage":38},{"alternativeId":"11908","percentage":11},{"alternativeId":"11912","percentage":31},{"alternativeId":"11909","percentage":20}],"promptToLogin":false,"questionManager":false,"articleId":"osteochondritis-dissecans-of-the-knee"}