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Abstract #1895

Optimal Visualization and Morphologic Findings of Thoracic Dorsal Root Ganglia Using MR Neurography

Dejun She1, Yalan Yan1, Xiance Zhao2, and Dairong Cao1
1The First Affiliated Hospital of Fujian Medical University, Fuzhou, China, 2Philips Healthcare, Shanghai, China, Shanghai, China

Synopsis

Keywords: Peripheral Nerves, Neurography

Motivation: A more consistent visualization of the thoracic ganglia is needed to aid in identifying abnormal anatomical patterns and disease progression for the formulation of therapeutic strategies.

Goal(s): To prospectively evaluate the clinical feasibility of MR neurography in detecting thoracic dorsal root ganglia and related morphologic information for clinical decisions.

Approach: The T2_FFE, B_FFE, and SHINKEI sequences were applied to identify the best sequence that can precisely provide nerve root visualization and describe the morphological information of thoracic DRG.

Results: T2_FFE offers enhanced nerve visualization and improved image quality, and provides valuable morphological information, with shorter sequence acquisition time.

Impact: This method has a potential role in the diagnosis and treatment of diseases involving unilateral or even bilateral ganglia. By applying morphological MRN, the detailed nerve visualization may help surgeons develop effective DRG-targeted treatment and detect the therapeutic effect.

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