Patient-Matched 3-D-Printed Guides for the Insertion of Cervical Pedicle Screws in Tumor Surgery

Figure 1

Case 1: aggressive osteoblastoma in C3/C4. (a–c) CT scan reconstructions of the cervical spine with a left-sided osteolysis in C3 and C4. (d, e) MRI shows the extent of the tumor and its close relation to the vertebral artery. (f) En bloc resected tumor. (g, h) Postoperative a.p. and lateral radiographs after resection of the tumor and combined posteroanterior stabilization. (i, j) CT scan 3-D reconstructions show the osseous defect after tumor resection.

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