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Figure 8: (a) A 30-degree high-definition endoscope is inserted through the midline incision to visualize potential GON compression points at the proximal end of the occipital artery. (b) An example of an endoscopic view of the greater occipital nerve after the occipital artery is dissected off and cauterized

Figure 8: (a) A 30-degree high-definition endoscope is inserted through the midline incision to visualize potential GON compression points at the proximal end of the occipital artery. (b) An example of an endoscopic view of the greater occipital nerve after the occipital artery is dissected off and cauterized