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Our Experience in Osteoid Osteoma Patients Treated with Computed Tomography Guided Percutaneous Radiofrequency Ablation
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Original Article
VOLUME: 49 ISSUE: 3
P: 177-184
2016

Our Experience in Osteoid Osteoma Patients Treated with Computed Tomography Guided Percutaneous Radiofrequency Ablation

Acta Haematol Oncol Turc 2016;49(3):177-184
DOI: 10.5505/aot.2016.08108
Namık Kemal Altınbaş
Cemil Yağcı
Kerem Başarır
1. Department of Radiology, Ankara University, Ankara, Turkey
2. Department of Orthopedics and Traumatology, Ankara University, Ankara, Turkey
3.
No information available.
No information available
Received Date: 2016-04-06T23:54:51
Accepted Date: 2016-12-14T14:26:36
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Abstract

INTRODUCTION

Percutaneous radiofrequency (RF) ablation via computed tomography (CT) guidance has been currently performed in treatment of osteoid osteoma as a popular method. The purpose of this study was to evaluate the complications and efficacy of the procedure.

METHODS

A total of thirty-five consecutive patients from August 2012 to November 2015, were included in the study. The ablation procedure was performed under conscious sedation with a RF electrode in tomography unit. Archive images and file records were retrospectively evaluated. Lesions’ locations, nidus diameters, and affected areas (cortical, cortical-intramedullary, medullary) were noted. Relief of pain after the procedure was accepted as success criteria. The patients were routinely hospitalized a day after the procedure.

RESULTS

Twenty-five male and ten female patients were included. The mean age and nidus size were 16±5.59 and 5.64±2.5 mm, respectively. Niduses were located in cortical (n=24), cortical-intramedullary (n=7), and medullary (n=4) regions. Lesions were located in femur (n=19), tibia (n=9), acetabulum (n=3), fibula (n=1), calcaneus (n=1), scapula (n=1) and iliac bone (n=1). All of the patients except one achieved pain relief after the procedure. The patient, who had pain after ablation, had been re-ablated 3 weeks later. Two patients had peroneal neuropraxia lasting in an hour (n=1) and tingling sensation lasting in 5-6 days (n=1) after ablation. Recurrence was recorded in one patient 15 months after the procedure, and re-ablation was offered. Third degree burn associated with ablation procedure was observed in three patients.

DISCUSSION AND CONCLUSION

RF ablation technique in the treatment of osteoid osteoma has a high success rate. Procedure failure and recurrence rates are lower. Dramatic pain relief, early discharge and return to daily life in a short time are expected. RF ablation is the first-line therapy in appropriate lesion locations. Complication rate is low. However, burn complication, which can occur during the procedure, seems to be a serious problem.