Question 364
{"accessible":true,"alternatives":[{"id":1799,"text":"injection granulomas"},{"id":1800,"text":"myositis ossificans"},{"id":1801,"text":"neurocysticercosis"},{"id":1802,"text":"osteoblastic metastases"},{"id":1803,"text":"scleroderma"}],"archived":false,"correctAlternativeId":1799,"explanation":"\u003cp\u003e\u003ca href=\"https://radiopaedia.org/articles/gluteal-injection-site-granuloma\"\u003eGluteal injection site granulomas\u003c/a\u003e\u0026nbsp;are a very common finding on CT and plain abdominal radiographs. They occur as a result of subcutaneous (i.e. intra-lipomatous) rather than intramuscular injection of drugs, which cause localized fat necrosis, scar formation and dystrophic calcification.\u003c/p\u003e","id":364,"imageUrl":"https://prod-images-static.radiopaedia.org/images/1017/aec9bbcb72930ef2c4e9a524d54be4_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":3442},"imageAttributionCaseInfo":{"title":"Gluteal injection site granulomas","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":3442,"case_param":"gluteal-injection"},"firstQuestionPath":"/questions/364","nextQuestionPath":null,"relatedArticles":[{"id":9049,"title":"Myositis ossificans","link":"/articles/myositis-ossificans-1?lang=us"},{"id":1724,"title":"Neurocysticercosis","link":"/articles/neurocysticercosis?lang=us"},{"id":9854,"title":"Scleroderma (musculoskeletal manifestations)","link":"/articles/scleroderma-musculoskeletal-manifestations-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the most likely cause of the bilateral calcific lesions, seen in this coronal image through the posterior sacrum?\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/364"}],"attemptsPercentages":[{"alternativeId":"1799","percentage":54},{"alternativeId":"1803","percentage":11},{"alternativeId":"1800","percentage":21},{"alternativeId":"1801","percentage":13},{"alternativeId":"1802","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"gluteal-injection-site-granuloma"}