Lumbosacral Spine Sprain/Strain Injuries Workup
- Author: Andrea Radebold, MD; Chief Editor: Craig C Young, MD more...
Laboratory Studies
- Laboratory studies are generally not indicated as a routine diagnostic tool in the evaluation of lumbosacral spine sprain/strain injuries.
- Suggestive findings for rheumatic disease, such as ankylosing spondylitis, are increased levels of human leukocyte antigen (HLA)-B27, leukocytes (4.5-11 x 103), and erythrocyte sedimentation rate (ESR) (male: 0-20 mm/h; female: 0-30 mm/h).
Imaging Studies
- Although sprain and strain injuries only involve the soft tissue, standard anteroposterior and lateral radiographs of the lumbar spine should be routinely obtained to (1) exclude a fracture, rheumatic disease, or a tumor growth; and (2) to evaluate degenerative joint disease as well as overall spinal alignment.
- If an individual with LBP does not respond to conservative treatment and develops neurologic signs, a computed tomography (CT) scan or magnetic resonance image (MRI) may be considered to evaluate for disc herniation and involvement of the nerve roots. (See also the eMedicine articles Disk Herniation [in the Radiology section] and Herniated Nucleus Pulposus [in the Orthopedic Surgery section].)
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