 The follow up will last 12 months with 5 visits 2 days, and 3, 4, 6 and 12 months after vertebroplasty, 2 CT scanners before inclusion and at 12 months, 2 EOS ultra low dose imager replacing classical radiography at 5 and 12 months, questionnaires visual analogic scale for pain, and quality of life with OSWESTRY and SF36 scales before inclusion and at 2 days, and 3, 4, 6 and 12 months, and biological exams CRPVS, for inflammation at each visit except 2 days after surgery. An osteodensitometry will be performed at 3 months. 