Cryoablation of osteoid osteomas: Is it a valid treatment option?

Figure 3 Seventeen-year-old male-humerus bone multiple osteoid osteomas. A: Computed tomography thick slice and magnetic resonance imaging showing three radiolucent lesions in head, epiphysis and diaphysis of right humerus bone with periosteal edema; B: Visualization of the three cryoprobes. Two of them were placed in extraosseous positions and one of them was placed in an intraosseous position; C: Hydrodissection of the axillary nerve with thermocouple for temperature monitoring, protection and active warming.