Bewegungsapparat

Aneurysmal Bone Cyst

  1. Expansile (often extremely), narrow zone of transition, eccentric, metaphyseal in long bones, rarely affects the epiphysis
  2. thin, intact shell of expanded overlying bone
  3. generally younger than 30 years, occurs when the growth cartilage still exists
  4. fluid-fluid levels in MRI/CT
  5. DDX: non-ossifying fibroma, fibrous dysplasia, SBC, osteoblastoma in spine
 
 
 

Diskussion