Abstract
Occipital neuralgia a type of headache that involves irritation and inflammation of the Greater Occipital Nerve (GON). Diagnosis of this headache is achieved mainly through clinical examinations where tenderness is noted along the distribution of the GON. However, anatomical studies have demonstrated its various course and distribution that may be distant from the conventional landmarks where routine anesthetic injectate is administered “blindly”. Furthermore, GON may have multiple branches that unless the most proximal nerve is not approached, injection may not be complete. Therefore, utilization of sonography can add benefits for diagnostic work-up and treatment of occipital neuralgia by enabling accurate localization of and measurement of the cross-sectional area (CSA) of GON.
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