Abstract
Objective
To determine the incidence and types of multilevel vertebral body injury in association with acute spinal trauma as assessed by whole spine MRI.
Design and patients
All acute admissions to a regional spinal injury unit had whole spine MRI carried out, to detect occult vertebral body injury. Two radiologists assessed 127 cases prospectively, over a period of 3 years. All cases had T2-weighted sagittal imaging of the whole spine (where possible using a T2-weighted fat-suppressed sequence), with T1-weighted imaging in both sagittal and axial planes covering the primary injury. The incidence of secondary injury (defined as either bone bruising, wedge compression fracture or burst fracture) was determined and defined by type, site and relationship to the primary injury.
Results
Seventy-seven per cent of cases had a secondary injury level. Of these, bone bruising was the commonest but often occurred in combination with secondary wedge compression fracture or burst fracture. MRI detected 27 non-contiguous wedge compression fractures and 16 non-contiguous burst fractures, giving an incidence of secondary level, non-contiguous fracture of approximately 34%.
Conclusion
A higher frequency of secondary vertebral body injury may be defined by MRI than has been described in previous studies based on radiographic evaluation of the whole spine. Whole spine MRI in assessment for occult vertebral body fracture enables increased confidence in the conservative or surgical management of patients with severe spinal injury.
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Green, R.A.R., Saifuddin, A. Whole spine MRI in the assessment of acute vertebral body trauma. Skeletal Radiol 33, 129–135 (2004). https://doi.org/10.1007/s00256-003-0725-y
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DOI: https://doi.org/10.1007/s00256-003-0725-y