ArticleOperative neurosurgery (Hagerstown, Md.)2025
Step-by-Step Description of Percutaneous Full-Endoscopic C2 Ganglionectomy: An Anatomic Feasibility Study in Human Cadavers.
Article in Operative neurosurgery (Hagerstown, Md.), 2025. 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
BACKGROUND AND
objectivesThe percutaneous full-endoscopic C2 ganglionectomy (PEC2G), an innovative procedure developed for the surgical treatment of intractable occipital neuralgia, was firstly reported by us in 2021. However, a universally accepted and well-articulated protocol modality remains elusive. The primary objective of this anatomic investigation was to meticulously elucidate the standard procedural steps of PEC2G and assess the anatomic features supporting the safe implementation of PEC2G.
methodsEighteen fresh adult cadavers were incorporated into this study. From this sample, 3 cadavers were subjected to bilateral PEC2G. Each procedure was documented and assessed, leading to the formulation of standard procedure criteria for PEC2G. Subsequently, 10 sets of anatomic parameters pertinent to this procedure were identified, quantified, and analyzed in 15 cadavers after complete bilateral endoscopic exposure of the C2 ganglion. An assessment of the technical feasibility and potential constraints associated with PEC2G was conducted, providing invaluable insights into the procedure's anatomic considerations.
resultsAll 3 cadavers successfully underwent the PEC2G without any observed complications, such as dura tears or vertebral artery injuries. The C2 inferior articular process emerged as the optimal bony target for puncture, with the C2 pedicle serving as the standard guiding landmark en route to the C2 ganglion. In the 15 cadavers subjected to the planned procedure, 10 sets of anatomic parameters were quantified, establishing a foundational understanding of the anatomy in the context of PEC2G procedure. The results demonstrated that the characteristic of anatomic data pertinent to surgical site supported the safe implementation of PEC2G.
conclusionThis study contributes the standard surgical steps and crucial anatomic parameters relevant to PEC2G. The characteristic of anatomic data bolsters the safety credentials of this technique, which offers a reliable approach to achieve C2 ganglionectomy. These insights undeniably establish a robust foundation for the ongoing refinement and broader adoption of PEC2G.
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