Question 1715
{"accessible":true,"alternatives":[{"id":8521,"text":"extra-articular injection"},{"id":8522,"text":"iatrogenic injection of gas"},{"id":8523,"text":"iliopsoas bursitis"},{"id":8525,"text":"synovial hypertrophy/synovitis"},{"id":8524,"text":"synovial osteochondromatosis"}],"archived":false,"correctAlternativeId":8525,"explanation":"\u003cp\u003eWhen performing \u003ca href=\"/articles/hip-joint-injection-technique\"\u003ehip joint injections\u003c/a\u003e, an intra-articular needle tip position is confirmed with iodinated contrast.\u0026nbsp; The joint capsule should have a smooth outline, but with synovial hypertrophy/synovitis, it will be lobulated and irregular.\u0026nbsp;\u003c/p\u003e\u003cp\u003eAn extra-articular injection would have a more linear contrast pattern.\u0026nbsp; Iatrogenic gas would show gas/lucent locules, and an\u0026nbsp;\u003ca href=\"/articles/iliopsoas-bursitis\"\u003eiliopsoas bursitis\u003c/a\u003e cannot be diagnosed on fluoroscopy.\u0026nbsp; \u003ca href=\"/articles/synovial-chondromatosis\"\u003eSynovial osteochondromatosis\u003c/a\u003e would have ossified bodies within the joint.\u0026nbsp;\u003c/p\u003e","id":1715,"imageUrl":"https://prod-images-static.radiopaedia.org/images/52309115/d7a6e6f3fc53b66b893c75adf981a9_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":75597},"imageAttributionCaseInfo":{"title":"Synovitis on hip arthrogram injection (fluoroscopic guided)","contributor_name":"Dai Roberts","contributor_param":"dgroberts08","case_rid":75597,"case_param":"synovitis-on-hip-arthrogram-injection-fluoroscopic-guided-1"},"firstQuestionPath":"/questions/1715","nextQuestionPath":null,"relatedArticles":[{"id":61475,"title":"Iliopsoas bursitis","link":"/articles/iliopsoas-bursitis?lang=us"},{"id":15618,"title":"Synovial chondromatosis","link":"/articles/synovial-chondromatosis?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the most likely diagnosis evident on this fluoroscopic image taken after injection of iodinated contrast\u0026nbsp;and the steroid solution, during a\u0026nbsp;right hip joint injection?\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/1715"}],"attemptsPercentages":[{"alternativeId":"8525","percentage":25},{"alternativeId":"8522","percentage":4},{"alternativeId":"8521","percentage":10},{"alternativeId":"8523","percentage":6},{"alternativeId":"8524","percentage":55}],"promptToLogin":false,"questionManager":false,"articleId":"hip-joint-injection-technique"}