Question 1822
{"accessible":true,"alternatives":[{"id":9051,"text":"bilateral locked C5-6 facet joints "},{"id":9052,"text":"bilateral perched C5-6 facet joints "},{"id":9053,"text":"bilateral subluxed C5-6 facet joints"},{"id":9054,"text":"unilateral locked C5-6 facet joint "},{"id":9055,"text":"unilateral perched C5-6 facet joint "},{"id":9056,"text":"unilateral subluxed C5-6 facet joint"}],"archived":false,"correctAlternativeId":9055,"explanation":"\u003cp\u003eThere is anterolisthesis of C5 on C6 by\u0026nbsp;a few millimeters with a\u0026nbsp;\u003ca href=\"/articles/unilateral-facet-dislocation\"\u003eunilateral\u0026nbsp;facet dislocation\u003c/a\u003e\u0026nbsp;at this level. This has a\u0026nbsp;\u003ca href=\"/articles/perched-facet-joint\"\u003eperched\u003c/a\u003e morphology with the inferior tip of the upper facet perched on the superior tip of the lower facet. In a\u0026nbsp;\u003ca href=\"/articles/locked-facet-joint\"\u003elocked\u003c/a\u003e facet dislocation, the upper facet would lock down in front of the lower facet.\u0026nbsp;A subluxed facet joint would simply appear widened or\u0026nbsp;partially slid away from each other. \u003ca href=\"/articles/bilateral-facet-dislocation\"\u003eBilateral facet dislocation\u003c/a\u003e would always produce a far larger degree of anterolisthesis than is seen in this case.\u003c/p\u003e","id":1822,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/309/perched-facet-joint_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":5948},"imageAttributionCaseInfo":{"title":"Perched facet joint","contributor_name":"Charudutt Jayant Sambhaji","contributor_param":"charudutt","case_rid":5948,"case_param":"perched-facet-joint"},"firstQuestionPath":"/questions/1822","nextQuestionPath":null,"relatedArticles":[{"id":5940,"title":"Perched facet joint","link":"/articles/perched-facet-joint?lang=us"},{"id":9092,"title":"Facet dislocation","link":"/articles/facet-dislocation?lang=us"},{"id":2240,"title":"Unilateral facet dislocation","link":"/articles/unilateral-facet-dislocation?lang=us"},{"id":35404,"title":"Locked facet joint","link":"/articles/locked-facet-joint?lang=us"}],"alsoUsedIn":[{"id":808,"kind":"Course","title":"X-ray Interpretation: Cervical Spine - page 808","link":"https://radiopaedia.org/courses/x-ray-interpretation-cervical-spine/pages/808"},{"id":808,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 808","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2022/pages/808"},{"id":808,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 808","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/808"}],"stem":"\u003cp\u003eMiddle-aged adult with neck pain following trauma. Which would be the most correct interpretation for their lateral cervical x-ray?\u0026nbsp;\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/1822"}],"attemptsPercentages":[{"alternativeId":"9054","percentage":21},{"alternativeId":"9052","percentage":10},{"alternativeId":"9053","percentage":10},{"alternativeId":"9051","percentage":6},{"alternativeId":"9055","percentage":36},{"alternativeId":"9056","percentage":17}],"promptToLogin":false,"questionManager":false,"articleId":"bilateral-facet-dislocation"}