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Related Experiment Videos

Megavoltage radiotherapy for aneurysmal bone cysts.

S J Feigenberg1, R B Marcus, R A Zlotecki

  • 1Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL 32610, USA.

International Journal of Radiation Oncology, Biology, Physics
|April 5, 2001
PubMed
Summary
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Radiotherapy (RT) is a safe and effective treatment for recurrent or inoperable aneurysmal bone cysts (ABCs), with no local recurrences observed. This approach offers symptom relief and minimal toxicity for patients with ABCs.

Area of Science:

  • Orthopedics
  • Oncology
  • Radiation Oncology

Background:

  • Aneurysmal bone cysts (ABCs) are benign, destructive bone tumors.
  • Standard treatment involves curettage and bone grafting.
  • Recurrent or inoperable cases pose treatment challenges.

Purpose of the Study:

  • To evaluate the safety and efficacy of radiotherapy (RT) for local control of recurrent or inoperable ABCs.
  • To determine if RT is a viable alternative to surgery in specific ABC cases.

Main Methods:

  • Nine patients with ABCs received megavoltage RT (20-60 Gy).
  • Six patients received 26-30 Gy.
  • Diagnosis was by biopsy alone in 6 patients; 3 had prior curettage.

Main Results:

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  • No local recurrences were observed in patients with a median follow-up of 17 years.
  • One patient required spinal stabilization due to vertebral collapse.
  • Significant pain relief was noted within 2 weeks of RT completion; no secondary malignancies developed.

Conclusions:

  • Radiotherapy is an effective treatment for recurrent or inoperable ABCs.
  • A prescribed tumor dose of 26-30 Gy is effective with minimal toxicity.
  • RT offers a safe alternative for local control in challenging ABC cases.