Lucent bone lesion containing calcium or bone

Lucent bone lesion containing calcium or bone

Most common

  • 1. Enchondroma — chondroid matrix.
  • 2. Osteoid osteoma and osteoblastoma —lucent nidus can contain calcification.
  • 3. Avascular necrosis and bone infarction .
  • 4. Metastases — some are mixed lytic and sclerotic.

Less common

  • 5. Chondroblastoma —chondroid matrix. Epiphyseal location.
  • 6. Chondrosarcoma —chondroid matrix. Usually metaphyseal.
  • 7. Osteosarcoma —osteoid matrix. Usually metaphyseal.
  • 8. Fibrous dysplasia —usually ground-glass density but can be sclerotic.
  • 9. Osteomyelitis with sequestrum .
  • 10. Eosinophilic granuloma —‘button sequestrum’.
  • 11. Intraosseous lipoma —characteristic central focus of calcification, especially in calcaneus.
  • 12. Haemangioma —contains coarsened trabeculae. Most common in spine.
  • 13. Liposclerosing myxofibrous tumour —classically intertrochanteric region of femur.
  • 14. Fibrosarcoma/undifferentiated pleomorphic sarcoma.
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