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Method of assessing adenoid enlargement on lateral neck radiography. In this method the adenoidal measurement (A) represents the distance from the point of maximal convexity of the adenoid shadow to a line along the anterior margin of the basiocciput. The nasopharyngeal measurement (N) is the distance between the posterior border of the hard palate and the antero-inferior edge of the sphenobasioccipital synchondrosis.
