Dr. Francisco Bengoa
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Bone tumors

Osteoblastoma

BoneIntermediate / locally aggressive or rarely metastasizingOsteogenic tumours

Epidemiology

An uncommon bone-forming tumor, larger than an osteoid osteoma and typically seen in adolescents or young adults. Unlike an osteoid osteoma, it does not tend to burn itself out over time, so observation and painkillers are rarely enough.

Basic features

In long bones, the pelvis, or the chest wall it causes pain that is less predictably relieved by anti-inflammatory medication.

Usual treatment

It is managed with extended curettage, resection, or ablation in selected cases, depending on location and the stability of the bone.

Outcomes and prognosis

Control is usually good, but local recurrence is not negligible (higher in aggressive variants or after incomplete resection) and calls for follow-up.

Warning signs

These signs do not necessarily mean cancer, but they warrant evaluation before operating on or needling a mass.

  • A soft-tissue mass that grows, is larger than 5 cm, or is deep.
  • Persistent, night-time or progressive bone pain, especially if it limits activity.
  • A fracture from minimal trauma, or an aggressive bone lesion on an X-ray.
  • A lump that comes back after previous surgery.
  • Neurological symptoms, rapid swelling, or pain associated with a mass.

This information is general and does not replace a medical evaluation. A musculoskeletal tumor must be interpreted together with imaging, physical examination, biopsy when appropriate and each patient's context.

Specialist evaluation

If you have a mass, a bone lesion or a report suggesting a tumor, book an evaluation.

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