Pars defect - T1 VIBE sequence (MRI)
Chronic low back pain
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Marrow edema in the left L5 pedicle with a left-sided complete pars defect.
Pars stress injuries and fractures/defects are a common cause of low back pain in adolescents. The T1 VIBE sequence has been shown equivalent to CT in demonstrating a defect and its use can result in a reduction in ionizing radiation exposure.
- Ang EC, Robertson AF, Malara FA, O'Shea T, Roebert JK, Schneider ME, Rotstein AH. Diagnostic accuracy of 3-T magnetic resonance imaging with 3D T1 VIBE versus computer tomography in pars stress fracture of the lumbar spine. (2016) Skeletal radiology. 45 (11): 1533-40. doi:10.1007/s00256-016-2475-7 - Pubmed