Benign bone tumors

Predominantly osseous tumors

• Osteoid osteoma
  • Pain is due to high levels of prostaglandins E2 produced by small tumor cells, thus it's responsive to NSAIDs.
• Osteoblastoma
  • Pain is due to compression of large tumor to nerves, thus it's not responsive to NSAIDs.
• Osteoma

Tumors with cartilaginous components

• Osteochondroma

Cysts and hemangiomas

Malignant bone tumors

All with "sarcoma"

• Ewing sarcoma
• Osteosarcoma
• Chondrosarcoma