Pediatric Chondromyxoid Fibroma

  • Etiology:
  • Imaging:
    — Location (metaphysis, may extend to epiphysis and abut articular surface)
    — Lytic with sclerotic rim, often expansile
    — Matrix (chondroid)
    — Zone of transition (narrow)
    — Periosteal new bone or cortical destruction (none)
  • DDX:
  • Complications:
  • Treatment:
  • Clinical:

Radiology Cases of Chondromyxoid Fibroma

Radiograph of chondromyxoid fibroma of tibia
AP (left) and oblique (right) radiographs of the knee show a metaphyseal lesion that is lytic and lobulated and expansile in appearance with a narrow zone of transition and no periosteal reaction.