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[Percutaneous resection under computed tomography guidance of osteoid osteoma. Mid-term follow-up of 38 cases]
N Sans1, H Morera-Maupome, D Galy-Fourcade
1Service central d'imagerie médicale, CHU Purpan, Toulouse.
Purpose:
To evaluate the mid-term outcome following CT-guided percutaneous resection of osteoid osteoma.
Materials And Methods:
38 patients who had been treated by CT-guided percutaneous resection were included. The mean follow-up of 3.7 years. Early and mid-term outcome and histology were analyzed.
Results:
Histological samples were adequate in 92% of cases and a diagnosis of osteoid osteoma was confirmed in 73.7% of cases. In 6 cases, the lesion was not an osteoid osteoma: 2 mucoid cysts, 1 benign fibrous dysplasia, 1 fibromucoid lesion, 1 focal osteochondritis, 1 osteomyelitis. Cure was achieved in 84.2% of patients. Minor transient complications occurred in 23.7% of cases. The most serious complications included: 1 intramuscular hematoma, 2 femoral fractures, and 1 case of S. aureus osteomyelitis.
Conclusion:
This study confirms that CT-guided percutaneous resection of osteoid osteomas is effective and shows that other small lesions can also be treated using this technique.
