ArticleSkeletal radiology2026
High-resolution visualization of cervical spine anatomy using 3D DESS at 7-T MRI: a cohort study in asymptomatic volunteers.
Article in Skeletal radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo validate the feasibility of a three-dimensional dual-echo-steady-state (3D-DESS) sequence at 7-T MRI to reliably depict the detailed anatomy in the cervical spine. MATERIALS AND
methodsSeventy-eight asymptomatic volunteers (age 36.4 ± 11.6 years) were imaged, using a 3D-DESS sequence at 7-T MRI. The course of the vertebral artery (VA) and the visualization of dorsal root ganglia (DRG) were analyzed by two fellowship-trained musculoskeletal radiologists. Additionally, degenerative changes were graded.
resultsUncovertebral arthrosis was present in 47.4% of participants; spinal canal stenosis was present in 16.1% (grade 1) and 2.6% (grade 2). Facet joint osteoarthritis at the most affected level was found in up to 12.8% (grade 1) and 3.8% (grade 2). Foraminal stenosis at the most affected level was seen in 10.3% (grade 1) and 3.8% (grade 2). Agreement was "almost perfect" for uncovertebral arthrosis (κ = 0.94) and spinal canal stenosis (κ = 0.82), "moderate" for facet joint osteoarthritis (κ = 0.56) and "substantial" for foraminal stenosis (κ = 0.68). Agreement was "perfect" regarding location of the VA (κ = 1.0), and almost perfect (κ = 0.93) for VA kinking. The agreement was "excellent" for distance between spinal cord and DRG (ICC = 0.94) and "good" for both width and height of DRG (ICC = 0.90 and 0.87, respectively). Contact between VA and DRG was present in almost all participants in levels C2/3 through C5/6 (94.9-100%).
conclusionThis study demonstrates the capability of a 3D-DESS sequence at 7-T MRI to reliably visualize the detailed anatomy of the cervical spine. Contact between VA and DRG is a relatively consistent finding in levels C2/3 through C5/6.
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