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. 2022 Jul 2;24(11):2090–2106. doi: 10.1007/s12094-022-02872-1

Fig. 3.

Fig. 3

Augmentation technique. A Angular stable locking screw and conventional screw. The threaded screw head locks in the plate hole, providing angular stability and reducing shearing (red arrow). This stability reduces the dependence on the bone–plate interface for stability, protecting periosteal tissue; B Lytic metastatic lesion (white asterisk) of the postero-inferior aspect of the femoral head in a patient with metastatic renal cancer: [1] AP and [2] axial view in conventional radiographs; [3] axial computed tomography; [4] AP and [5] axial view following internal fixation using a cephalomedullary nail with cement augmentation. Note the filling of the lytic lesion in the femoral head (black asterisk). C Fracture of the 11th dorsal and 3rd lumbar vertebra (asterisks) in a patient with multiple myeloma [1]; lateral [2] and anteroposterior [3] intraoperative fluoroscopy of balloon kyphoplasty of the affected vertebrae; lateral [4] and anteroposterior postoperative radiographs [5]. Clinical case courtesy of Dr. Rodrigo Merino, Orthopedic Department, Hospital Universitario 12 de Octubre, Madrid