ArticleComputation (Basel, Switzerland)2024
Ultrashort Echo Time and Fast Field Echo Imaging for Spine Bone Imaging with Application in Spondylolysis Evaluation.
Article in Computation (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- 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
- Comparing CT-Like Bone Images Based on Fast Field Echo Resembling a CT Using Restricted Echo Spacing (FRACTURE) MR with CT in Pediatric Congenital Vertebral Anomalies.AJNR. American journal of neuroradiology · 2025Article
- Ultrashort-Echo-Time MRI of the Disco-Vertebral Junction: Modulation of Image Contrast via Echo Subtraction and Echo Times.Sensors (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Isthmic spondylolysis is characterized by a stress injury to the pars interarticularis bones of the lumbar spines, often missed by conventional magnetic resonance imaging (MRI) necessitating a computed tomography (CT) for accurate diagnosis. We compare MRI techniques suitable for producing CT-like images. Lumbar spines of asymptomatic and low back pain (LBP) subjects were imaged at 3-Tesla with multi-echo ultrashort echo time (UTE) and field echo (FE) sequences followed by simple post-processing of averaging and inverting to depict spinal bone with CT-like appearance. Contrast-to-noise ratio (CNR) for bone was determined to compare UTE vs. FE and single-echo vs. multi-echo images. Visually, both sequences depicted cortical bone with good contrast; UTE-processed provided a flatter contrast for soft tissues that made it easy to distinguish from bone, while FE-processed images had better resolution and bone-muscle contrast, important for fracture detection. Additionally, multiecho images provided significantly (p=0.03) greater CNR compared single-echo. Using these techniques, a progressive spondylolysis was detected in a LBP subject. This study has demonstrated the feasibility of spine bone MRI to yield CT-like contrast. Through the employment of multiecho UTE and FE sequences combined with simple processing, we have observed enhancements in image quality and contrast, sufficient to detect pars fracture.
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