Question 1603
{"accessible":false,"alternatives":[{"id":7983,"text":"aneurysmal bone cyst and osteoblastoma"},{"id":7984,"text":"chondroblastoma and brown tumour"},{"id":7985,"text":"desmoplastic fibroma and enchondroma"},{"id":7986,"text":"giant cell tumour and enchondroma"},{"id":7987,"text":"osteochondroma and chondromyxoid fibroma"}],"archived":false,"correctAlternativeId":7983,"explanation":"\u003cp\u003eAneurysmal bone cysts (benign expansile tumour-like bone lesions) favour the posterior elements of the spine. Osteoblastomas (rare bone-forming tumours)\u0026nbsp;often involve the posterior column and tend to be expansive.\u003c/p\u003e\u003cp\u003eCommon locations of the other listed lesions:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003echondroblastomas most frequently arise in the epiphyses of long bone\u003c/li\u003e\n\u003cli\u003ebrown tumour mostly located at the extremities, and pelvic girdle\u003c/li\u003e\n\u003cli\u003edesmoplastic fibroma most\u0026nbsp;common areas of involvement include the mandible, pelvis and femur\u0026nbsp;\u003c/li\u003e\n\u003cli\u003eenchondroma is most commonly seen in\u0026nbsp;small tubular bones of the hands and feet\u003c/li\u003e\n\u003cli\u003egiant cell tumour often around the knee\u003c/li\u003e\n\u003cli\u003echondromyxoid fibroma at the\u0026nbsp;metaphyseal region of long bones\u0026nbsp;\u003c/li\u003e\n\u003c/ul\u003e","id":1603,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2234","nextQuestionPath":"/articles/aneurysmal-bone-cyst/questions/1156","relatedArticles":[{"id":12514,"title":"Brown tumour","link":"/articles/brown-tumour?lang=gb"},{"id":7620,"title":"Enchondroma","link":"/articles/enchondroma?lang=gb"},{"id":10960,"title":"Osteoblastoma","link":"/articles/osteoblastoma?lang=gb"},{"id":10809,"title":"Chondromyxoid fibroma","link":"/articles/chondromyxoid-fibroma?lang=gb"},{"id":10810,"title":"Desmoplastic fibroma","link":"/articles/desmoplastic-fibroma?lang=gb"},{"id":153098,"title":"Giant cell tumour (disambiguation)","link":"/articles/giant-cell-tumour-disambiguation?lang=gb"},{"id":9259,"title":"Chondroblastoma","link":"/articles/chondroblastoma?lang=gb"}],"alsoUsedIn":[{"id":652,"kind":"Course","title":"Lectures by Matt Skalski - page 652","link":"https://radiopaedia.org/courses/lectures-by-matt-skalski/pages/652"},{"id":652,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 652","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/652"},{"id":652,"kind":"Course","title":"2020 Virtual Conference Private Use - page 652","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/652"},{"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\u003eWhich of the following is the most likely differential consideration\u0026nbsp;for a benign-appearing expansile lesion of the posterior elements of the cervical spine?\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/1603"}],"attemptsPercentages":[{"alternativeId":"7984","percentage":7},{"alternativeId":"7986","percentage":4},{"alternativeId":"7985","percentage":3},{"alternativeId":"7983","percentage":80},{"alternativeId":"7987","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"aneurysmal-bone-cyst"}