Question 1972
{"accessible":false,"alternatives":[{"id":9812,"text":"around the knee (distal femur and proximal tibia)"},{"id":9813,"text":"cervical spine"},{"id":9814,"text":"distal radius"},{"id":9815,"text":"lumbar spine"},{"id":9817,"text":"sacrum"},{"id":9816,"text":"thoracic spine"}],"archived":false,"correctAlternativeId":9812,"explanation":"\u003cp\u003e\u003ca href=\"/articles/giant-cell-tumour-of-bone\"\u003eGiant cell tumors of bone\u003c/a\u003e,\u0026nbsp;also known as\u0026nbsp;\u003ca href=\"/articles/giant-cell-tumour-of-bone\"\u003eosteoclastomas\u003c/a\u003e,\u0026nbsp;are relatively common benign bone tumors. Typically arise from the metaphysis of long bones, extending into the adjacent epiphysis with a narrow zone of transition.\u003c/p\u003e\u003cp\u003eThe most common sites are:\u0026nbsp;\u003c/p\u003e\u003cul\u003e\n\u003cli\u003earound the knee: distal femur and proximal tibia: 50-65%\u003c/li\u003e\n\u003cli\u003edistal radius: 10-12%\u003c/li\u003e\n\u003cli\u003esacrum: 4-9%\u003c/li\u003e\n\u003cli\u003evertebral body: 7%,\u0026nbsp;thoracic spine most common, followed by cervical and lumbar spines\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003eMultiple locations: ≈1%, usually occur in association with\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/paget-disease-bone?lang=gb\"\u003ePaget disease\u003c/a\u003e.\u003c/p\u003e","id":1972,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2234","nextQuestionPath":"/articles/giant-cell-tumour-of-bone/questions/1804","relatedArticles":[],"alsoUsedIn":[{"id":1110,"kind":"RestrictedPage","title":"Page 1110 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1110"},{"id":2077,"kind":"Course","title":"X-ray Interpretation: Bone Lesions Peer Review - page 2077","link":"https://radiopaedia.org/courses/x-ray-interpretation-bone-lesions-peer-review/pages/2077"},{"id":2077,"kind":"Course","title":"X-ray Interpretation: Bone Lesions - page 2077","link":"https://radiopaedia.org/courses/x-ray-interpretation-bone-lesions/pages/2077"}],"stem":"\u003cp\u003eWhat is the most common location of giant cell tumor of bone?\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/1972"}],"attemptsPercentages":[{"alternativeId":"9814","percentage":17},{"alternativeId":"9817","percentage":1},{"alternativeId":"9815","percentage":0},{"alternativeId":"9813","percentage":0},{"alternativeId":"9812","percentage":81},{"alternativeId":"9816","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"giant-cell-tumor-of-bone"}