Question 771
{"accessible":true,"alternatives":[{"id":3913,"text":"aliasing artifact"},{"id":3914,"text":"moire fringe artifact"},{"id":3915,"text":"central point artifact"},{"id":3916,"text":"RF overflow artifact"},{"id":3917,"text":"zipper artifact"}],"archived":false,"correctAlternativeId":3913,"explanation":"\u003cp\u003eAliasing in MRI, also known as wrap-around, is a frequently encountered MRI artifact that occurs when the field of view (FOV) is smaller than the body part being imaged. The part of the body that lies beyond the edge of the FOV is projected onto the other side of the image.\u003c/p\u003e","id":771,"imageUrl":"https://prod-images-static.radiopaedia.org/images/5600704/1c6680010b8a94452dff87eb7e9893_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":26927},"imageAttributionCaseInfo":{"title":"Aliasing artifacts","contributor_name":"Prashant Mudgal","contributor_param":"prashantmudgal7","case_rid":26927,"case_param":"aliasing-artifacts"},"firstQuestionPath":"/questions/771","nextQuestionPath":"/articles/mri-artifacts-1/questions/770","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eThe accompanying image demonstrates which MRI artifact?\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/771"}],"attemptsPercentages":[{"alternativeId":"3916","percentage":6},{"alternativeId":"3915","percentage":4},{"alternativeId":"3914","percentage":4},{"alternativeId":"3913","percentage":81},{"alternativeId":"3917","percentage":6}],"promptToLogin":false,"questionManager":false,"articleId":"mri-artifacts"}