Minimally Invasive Surgery for Ablation of Osteoid Osteoma of the Spine
Bibliographic record
Abstract
STUDY DESIGN: Compare the effectiveness of two different techniques for the management of osteoid osteoma of the spine. OBJECTIVE: To describe the technique, feasibility, and indications of two different minimally invasive surgical methods for the treatment of osteoid osteoma of the spine. SUMMARY OF THE BACKGROUND DATA: Current treatment of osteoid osteoma of the spine is usually conventional surgical excision. The successful treatment of osteoid osteoma of the appendicular skeleton by percutaneous radiofrequency probe ablation is known; however, there have been only a few cases reported utilizing this method to treat osteoid osteoma of the spine. The high success rate of percutaneous transpedicle vertebral biopsy and diskectomy led us to believe this technique can also be applicable for the treatment of osteoid osteoma of the spine. METHODS: Two patients with symptomatic osteoid osteoma of the spine underwent two different surgical managements with local anesthesia. In one patient, the osteoid osteoma was localized in the apex of the right L4 superior articular process joint. Under computed tomography guidance he underwent radiofrequency coagulation with the use of a radiofrequency generator at 90 degrees for 240 seconds. The lesion in the second patient was located in the right pedicle of the T9 vertebra close to the exiting nerve root and was cored out by means of a special percutaneous instrument designed for percutaneous biopsy under fluoroscopic guidance. RESULTS: Both patients experienced immediate relief of pain, resumed their regular activities, and also remained free of symptoms after the 2.5- and 3-year follow-up. CONCLUSION: Minimally invasive surgery can successfully be applied in the treatment of osteoid osteoma of the lumbar spine. When the nidus is not adjacent to the neural elements radiofrequency thermal ablation can be an effective and safe treatment of osteoid osteoma in the spine.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".