The advance of endoscopic surgery has enabled selective section of the postganglionic nerve branches from pterygopalatine ganglion (PPG) as a modification of the vidian neurectomy. Recent microanatomic studies have suggested that the nasal mucosa is also innervated by multiple efferent rami associated with the sphenopalatine artery (SPA) in the procedure "posterior nasal neurectomy."
The Anatomy of the Foramina and Efferent Nerve Fibers from the Pterygopalatine Ganglion in Posterolateral Nasal Wall
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