Alcohol percutaneous neurolysis of the sphenopalatine ganglion in the management of refractory cranio-facial pain.

Introduction: The sphenopalatine ganglion (SPN) has been proven to be involved in various types of facial pain syndromes. Management of these cranio-facial pain syndromes can be challenging, and existing specific treatments are sometimes inefficient and may fail. The purpose of this study is to describe and evaluate alcohol SPN in the management of cranio-facial pain.