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Imaging Pediatric Spondylolysis: A Systematic Review
Josef N Tofte1, Tyler L CarlLee1, Andrew J Holte2
1University of Iowa Hospitals and Clinics Department of Orthopaedics and Rehabilitation, Iowa City, IA.
Spine
|September 27, 2016
Summary
Two-view plain films are recommended as the initial imaging study for pediatric spondylolysis due to their effectiveness, low cost, and minimal radiation exposure. Advanced imaging like MRI or CT may be considered for complex cases.
Area of Science:
- Pediatric Radiology
- Diagnostic Imaging
- Orthopedic Surgery
Background:
- Spondylolysis is a frequent cause of back pain in children and adolescents.
- Current diagnostic imaging methods for pediatric spondylolysis lack consistency among practitioners.
Purpose of the Study:
- To provide evidence-based recommendations for the appropriate use of imaging studies in diagnosing pediatric spondylolysis.
- To guide practitioners on when and how to utilize various imaging modalities.
Main Methods:
- A systematic literature review was conducted using PubMed and Cochrane databases.
- Search terms included "spondylolysis," "pediatric," and various imaging modalities (MRI, CT, bone scan, SPECT).
- Thirteen articles on diagnostic imaging for pediatric spondylolysis were analyzed.
Main Results:
- Magnetic resonance imaging (MRI) showed an average sensitivity of 81.4% compared to computed tomography (CT).
- CT sensitivity was 85% and MRI sensitivity was 80% when compared to single-photon emission CT (SPECT).
- Two-view plain films involve significantly less radiation exposure than bone scans or CT, and are the least expensive imaging option.
Conclusions:
- Two-view plain films are the preferred initial imaging study for suspected pediatric spondylolysis due to efficacy, cost, and low radiation.
- Advanced imaging, such as MRI for early diagnosis and CT for persistent cases, should be considered for unusual or refractory presentations.
- The lack of high-quality studies currently limits the ability to establish definitive recommendations.

