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Aneurysmal bone cysts of the pelvis
Archives of Orthopaedic and Traumatic Surgery. Archiv Fur Orthopadische Und Unfall-Chirurgie
|January 1, 1986
Summary
Pelvic aneurysmal bone cysts (ABCs) are rare. Surgery showed a lower complication rate than radiation therapy for pelvic ABCs, with a 13% overall recurrence rate.
Area of Science:
- Orthopedics
- Oncology
- Radiology
Background:
- Aneurysmal bone cysts (ABCs) are benign, expansile, osteolytic bone lesions.
- Pelvic ABCs are rare and can present diagnostic and therapeutic challenges due to their location and potential for extensive involvement.
Purpose of the Study:
- To review the treatment outcomes and complications of pelvic aneurysmal bone cysts.
- To compare the efficacy and safety of surgical versus radiation therapy for pelvic ABCs.
Main Methods:
- Retrospective review of 23 pelvic ABC cases treated at Istituto Ortopedico Rizzoli.
- Analysis of treatment modalities including surgery (curettage, resection) and radiation therapy.
- Evaluation of recurrence rates and functional outcomes at a mean 7-year follow-up.
Main Results:
- The acetabulum was involved in 56.5% of cases.
- Overall recurrence rate was 13% across all treatment groups.
- Radiation therapy was associated with significant functional complications in 4 of 7 patients, while surgery had only one minor complication.
Conclusions:
- Surgery, including curettage and resection, appears to be a safer and effective treatment for pelvic ABCs compared to radiation therapy.
- Pelvic ABCs, particularly those involving the acetabulum, require careful management to minimize recurrence and functional impairment.