Fig. 5From: Percutaneous cryoablation of chondroblastoma and osteoblastoma in pediatric patientsAcetabulum osteoblastoma cryoablation. a Axial CT images demonstrating an expansive osteolytic tumor with partial matrix mineralization in the left acetabulum corresponding to osteoblastoma (circle). b Axial CT exhibiting one cryoprobe placed within the nidus. c, d Follow-up MRI images 15 months after treatment with complete resolution of the lesion (arrows)Back to article page