Transnasal preganglionic vidian nerve section

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Abstract
Vidian neurectomy is a useful procedure in relieving the symptoms of vasomotor rhinitis. However, the nerve is difficult to approach because of its deep location in the pterygopalatine fossa. A direct transnasal approach to the pterygopalatine fossa, passing through the sphenopalatine foramen in the lateral wall of the nose, is described and its merits are discussed. We have operated upon 247 cases by this approach over the past four years without any significant complications.

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