Greater and Lesser Occipital Nerve
The greater and lesser occipital nerves are involved in different types of chronic headaches, and occipital nerve blocks play both a diagnostic and a therapeutic role.
With the implementation of ultrasound, these blocks have improved in accuracy and safety. Two different ultrasound-guided approaches for greater occipital nerve block have been described and are explained in detail in this chapter.
KeywordsUltrasound Greater occipital nerve Lesser occipital nerve Occipital neuralgia Migraine Cluster headache Cervicogenic headache Injection
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