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Surgical management of spinal osteoblastomas
Anne L Versteeg1, Nicolas Dea2, Stefano Boriani3
1Department of Orthopaedic Surgery, University Medical Center Utrecht, The Netherlands.
Journal of Neurosurgery. Spine
|July 8, 2017
Summary
Spinal osteoblastomas, rare bone tumors, show aggressive behavior. This study found local recurrence strongly linked to mortality but found no benefit from using the Enneking classification for treatment guidance.
Area of Science:
- Orthopedic Oncology
- Spine Surgery
- Tumor Classification
Background:
- Osteoblastoma is a rare, aggressive benign bone tumor, primarily affecting the spine.
- Lack of evidence-based guidelines leads to inconsistent treatment for spinal osteoblastomas.
Purpose of the Study:
- To investigate if the Enneking classification impacts local recurrence and survival in spinal osteoblastoma management.
- To analyze the effectiveness of surgical margins based on the Enneking classification.
Main Methods:
- A multicenter database of 73 spinal osteoblastoma patients was analyzed.
- Patients were categorized into Enneking appropriate (EA) and Enneking inappropriate (EI) surgical management groups.
- Local recurrence and mortality rates were compared between groups.
Main Results:
- Thirteen percent of patients experienced local recurrence, and 8% died.
- Local recurrence was significantly associated with increased mortality (RR 9.2, p=0.008).
- No significant difference in local recurrence or mortality was observed between EA and EI groups.
Conclusions:
- Local recurrence is a critical factor for mortality in spinal osteoblastomas.
- The Enneking classification did not prove to be a validated guide for preventing local recurrence in this patient cohort.
