Subject
Female; Male; Aged; Biopsy; Human; Middle Age; Retrospective Design; Fractures; Spinal Neoplasms; 80 and Over; Bone Cements – Therapeutic Use; Compression – Etiology; Compression – Pathology; Compression – Surgery; Kyphoplasty – Methods; Methylmethacrylates – Therapeutic Use; Osteoporosis – Complications; Osteoporosis – Pathology; Spinal Fractures – Etiology; Spinal Fractures – Pathology; Spinal Fractures – Surgery; Spinal Neoplasms – Complications; Spinal Neoplasms – Pathology