Question 486
{"accessible":false,"alternatives":[{"id":2441,"text":"mechanical faliure "},{"id":2442,"text":"metalic objects "},{"id":2443,"text":"noise"},{"id":2444,"text":"patient motion "},{"id":2445,"text":"spiral pitch "}],"archived":false,"correctAlternativeId":2445,"explanation":"\u003cp\u003eIncreasing the spiral pitch can result in partial volume artefact, not streaking artefact.\u003c/p\u003e","id":486,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/486","nextQuestionPath":null,"relatedArticles":[{"id":30337,"title":"Partial volume averaging (CT artifact)","link":"/articles/partial-volume-averaging-ct-artifact-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eIn computed tomography, the following factors can contribute\u0026nbsp;to\u0026nbsp;streak artefacts\u0026nbsp;\u003cstrong\u003eEXCEPT\u003c/strong\u003e...\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/486"}],"attemptsPercentages":[{"alternativeId":"2443","percentage":24},{"alternativeId":"2441","percentage":12},{"alternativeId":"2444","percentage":11},{"alternativeId":"2445","percentage":46},{"alternativeId":"2442","percentage":7}],"promptToLogin":false,"questionManager":false,"articleId":"ct-artifacts"}