Dr. Francisco Bengoa
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Bone tumors

Desmoplastic fibroma of bone

BoneIntermediate / locally aggressive or rarely metastasizingFibrogenic tumours of bone

Epidemiology

A rare intraosseous fibrous tumor, related in behavior to desmoid fibromatosis. It is benign under the microscope, but it behaves like a desmoid inside the bone: hearing "benign" here does not mean observation is enough.

Basic features

It is histologically benign but can destroy bone locally, cause pain, and compromise stability.

Usual treatment

Resection or extended curettage is preferred when feasible; the strategy depends on location and the expected morbidity.

Outcomes and prognosis

It does not metastasize, but local recurrence is frequent after simple curettage and lower after wide resection, so prolonged monitoring is recommended.

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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