ArticleClinical neuroradiology2017
Optimized depiction of thalamic substructures with a combination of T1-MPRAGE and phase: MPRAGE.
Article in Clinical neuroradiology, 2017. 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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Who cites it
1 citing paper in PubMed.
- Using Phase Data From MR Temperature Imaging to Visualize Anatomy During MRI-Guided Focused Ultrasound Neurosurgery.IEEE transactions on medical imaging · 2020Article
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3 authors.
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Abstract
objectiveDeep brain stimulation has received increasing attention in recent years as a treatment option for many neurological diseases. The thalamic nuclei in particular are widely used as targets. The goal of the present work was to evaluate whether the combination of two known MRI techniques can lead to identification of thalamic substructures at 3 T.
methodsIn nine healthy subjects, an optimized 3D magnetization prepared rapid acquisition GRE (MPRAGE) protocol and phase data from a 3D GRE sequence were combined to form a new contrast (MPRAGE*). The depiction of 13 thalamic substructures was rated by two independent raters in the MPRAGE, phase and MPRAGE* image on a five-point scale. Inter-rater reliability was scored with a weighted Cohen's kappa.
resultsInter-rater reliability was good, with the average weighted κ = 0.68. No significant difference between the depiction of the thalamic substructures between phase and MPRAGE images could be found. MPRAGE* showed a significantly better depiction of thalamic substructures in comparison to MPRAGE and phase (p < 0.001 for both cases).
conclusionThe combination of an optimized MPRAGE protocol with phase data to form an MPRAGE* image leads to a further improvement in the depiction of thalamic substructures, which enables the depiction of thalamic nuclei at 3 T.
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