The aim of this retrospective study is to show that kyphoplasty is a reliable technique in the treatment of certain traumatic vertebral fractures.

Patients will be selected from medical records archived at the Neuroradiology Department of Dijon CHU.

An information sheet and questionnaire will be sent to patients together with a letter to ask them to have a radiographic examination.

The radiographic images will be interpreted by two independent experts to evaluate the angle pf vertebral kyphosis.

Inclusion Criteria:

• Men or women aged at least 18;
• who underwent Kyphoplasty between T11 and L5,
• Patients who had Kyphoplasty at a single level without associated surgery,
• Magerl type-A fracture.
• Non-tumoral and non-osteoporotic cause.

Exclusion Criteria:

• Compression fracture outside the T11-L5 segment, or fracture other than Magerl type A.
• Osteoporotic vertebral fracture
• Association with other post-traumatic fractures.
• History of Balloon Kyphoplasty, or of thoracic or lumbar spine surgery except simple discectomy.
• Pregnant or breast-feeding women
• Patients not covered by national health insurance

Patients who have undergone kyphoplasty