Larry Charleston

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The sphenopalatine ganglion (SPG) has attracted the interest of practitioners treating head and face pain for over a century because of its anatomical connections and role in the trigemino-autonomic reflex. In this review, we discuss the anatomy of the SPG, as well as what is known about its role in the pathophysiology of headache disorders, including(More)
The question of whether the trigeminal autonomic cephalalgias (TACs) represent primary diagnoses or points on a continuum has been debatable for a number of years. Patients with TACs may present with similar clinical characteristics, and occasionally, TACS respond to similar treatments. Prima facie, these disorders may seem to be intimately related.(More)
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