Question 1344
{"accessible":true,"alternatives":[{"id":6699,"text":"bilateral facet joint degenerative change"},{"id":6700,"text":"bilateral pars defects"},{"id":6701,"text":"fibrous dysplasia"},{"id":6702,"text":"osteoid osteoma"},{"id":6703,"text":"Paget disease of bone"}],"archived":false,"correctAlternativeId":6700,"explanation":"\u003cp\u003eThis axial image demonstrates bilateral pars interaticularis defects of L5. On axial imaging, without the benefit of sagittal reconstructions, they can be mistaken for degenerative facet joints unless one takes care to identify the location of these defects.\u003c/p\u003e","id":1344,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/48/111_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":5425},"imageAttributionCaseInfo":{"title":"Spondylolisthesis - grade 1","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":5425,"case_param":"spondylolisthesis-grade-1"},"firstQuestionPath":"/questions/2776","nextQuestionPath":null,"relatedArticles":[{"id":4915,"title":"Fibrous dysplasia","link":"/articles/fibrous-dysplasia?lang=us"},{"id":12262,"title":"Spondylolysis","link":"/articles/spondylolysis?lang=us"},{"id":1802,"title":"Osteoid osteoma","link":"/articles/osteoid-osteoma?lang=us"},{"id":1824,"title":"Paget disease (bone)","link":"/articles/paget-disease-bone?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the diagnosis on this axial CT through the lumbar spine?\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/1344"}],"attemptsPercentages":[{"alternativeId":"6703","percentage":8},{"alternativeId":"6701","percentage":9},{"alternativeId":"6700","percentage":59},{"alternativeId":"6702","percentage":8},{"alternativeId":"6699","percentage":16}],"promptToLogin":false,"questionManager":false,"articleId":"spondylosis"}