ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2025
T1 mapping using MP2RAGE in degenerative cervical myelopathy: a longitudinal study.
Article in European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
background and purposeDegenerative cervical myelopathy (DCM) is the most common cause of spinal cord (SC) dysfunction. In routine clinical practice, SC changes are well depicted using conventional MRI, especially T2-weighted imaging. However, this modality usually fails to provide satisfactory clinico-radiological correlations. In this context we assessed the potential value of quantitative changes measured with a T1 MP2RAGE sequence. MATERIALS AND
methods18 patients diagnosed with chronic onset of DCM and 17 healthy controls (HC) were enrolled in the study. Clinical presentation was assessed using the modified Japanese Orthopaedic Association (mJOA) scale. Sagittal cervical SC T2-w 3D SPACE imaging and T1 MP2RAGE mapping were performed at baseline and 3-months postoperatively. Data were processed using Matlab and the SC Toolbox.
resultsmJOA score increased from 13.3 ± 2.1 preoperatively to 14.4 ± 1.9 at follow-up (p = 0.027). Site of maximum compression (Cmax) was at C3-C4 cervical levels in 4 patients, C4-C5 in 8 patients, C5-C6 in 5 patients and C6-C7 in 1 patient. SC compression was multi-level in 7 patients and single-level in 11 patients. T2-w hyperintensity was present in 15 patients. Mean SC T1 values in the whole SC in the DCM group at baseline showed significant difference as compared to mean SC T1 values in HC group (962.2 ± 62 vs. 924.9 ± 34 ms, respectively (p < 0.0001)) but no differences could be observed between baseline and 3-month follow-up (962.4 ± 59 ms (p = 0.86)). Z-scores at baseline were - 0.05 ± 1 for mild, 1.2 ± 1.9 for moderate and 2.5 ± 1.2 for severe. Mean baseline and 3-month follow-up SC T1 values were weakly but significantly correlated to preoperative (R
conclusionsT1-MP2RAGE mapping in patients with DCM demonstrated both focal and diffuse cervical SC alteration. It could thus be a biomarker for patients with DCM managed surgically.
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