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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Research ArticleSpine Imaging and Spine Image-Guided Interventions

CT-Guided C2 Dorsal Root Ganglion Injection and Radiofrequency Ablation for Cervicogenic Headache

J. Levi Chazen
American Journal of Neuroradiology February 2025, 46 (2) 434; DOI: https://doi.org/10.3174/ajnr.A8651
J. Levi Chazen
aFrom the Department of Radiology and Imaging, Hospital for Special Surgery, New York, New York
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ABSTRACT

CT-guided injection and radiofrequency ablation (RFA) of the C2 dorsal root ganglion (DRG) is a safe and effective treatment for cervicogenic headache arising from C1–C2 joint arthritis. The C2 nerve root is unique in that it lacks a motor component; RFA can be performed with pain relief in exchange for occipital numbness. This video article outlines the imaging anatomy and technical considerations of this procedure.

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American Journal of Neuroradiology: 46 (2)
American Journal of Neuroradiology
Vol. 46, Issue 2
1 Feb 2025
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Cite this article
J. Levi Chazen
CT-Guided C2 Dorsal Root Ganglion Injection and Radiofrequency Ablation for Cervicogenic Headache
American Journal of Neuroradiology Feb 2025, 46 (2) 434; DOI: 10.3174/ajnr.A8651

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CT-Guided C2 Dorsal Root Ganglion Injection and Radiofrequency Ablation for Cervicogenic Headache
J. Levi Chazen
American Journal of Neuroradiology Feb 2025, 46 (2) 434; DOI: 10.3174/ajnr.A8651
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