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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Percutaneous image-guided ablation of bone and soft tissue tumours: a review of available techniques and protective measures

Fig. 2

Osteoblastoma in the L2-L3 facet joint: a CT axial scan: A 22G spinal needle is inserted inside the epidural space and air is injected through the antimicrobial filter. b Axial CT scan: A trocar is drilled till the lesion. c Axial CT scan: Coaxially, a bipolar radiofrequency electrode is introduced inside the lesion and the ablation protocol is performed. d During the ablation protocol, evoked potentials are used for nerve monitoring

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