ArticleAJNR. American journal of neuroradiology2025
Lumbar Spine Bone MRI: A Radiation-Free Approach Utilizing CT-Like Imaging for Diagnosing Pars Defects in the Adolescent Spine.
Article in AJNR. American journal of neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Deep learning-based chemical shift-artifact correction of ZTE MRI for enhanced bone depiction of the lumbar spine.Skeletal radiology · 2026Article
- Pars defect detection with 3 T GE ZeroTE bone MRI in children, adolescents and young adults with low back pain: a pilot study of inter-rater reproducibility and CT-linked feasibility.Skeletal radiology · 2026Article
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8 authors.
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Abstract
background and purposeThis is a retrospective cohort study to assess the quality of a synthetic bone MRI protocol by using the spoiled GRE (SPGRE) sequence and determine its usability in detecting pars defects in adolescent patients for orthopedic surgeons and radiologists. MATERIALS AND
methodsThis retrospective study included 30 adolescent patients with lumbar spondylolysis and low back pain. Patients underwent a clinical lumbar spine MRI at 3T that included a 3D SPGRE sequence; 5 patients also underwent a CT for comparison. An orthopedic spine surgeon and an attending radiologist analyzed inverted SGPR and CT images, assessing the presence of a lumbar pars defect and image quality using a 5-point Likert scale. The interreader agreement was calculated.
resultsThirty patients were identified with pars defects seen in all patients on the SPGRE MRI. Image quality scores on a 5-point Likert scale measured an overall average of 4.53 ± 0.60, corresponding to good to perfect image quality, with a substantial interrater agreement with a Gwet AC2 of 0.79 [0.71, 0.88], without significant difference between the orthopedic surgeon and the radiologist (orthopedic surgeon's score 4.50 ± 0.63, radiologist's score 4.53 ± 0.57;
conclusionsA synthetic bone MRI protocol using SPGRE is a viable, nonionizing alternative to CT for visualizing pars defects in adolescent patients, providing sufficient image quality for radiologists and orthopedic surgeons.
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