Saturday, September 25, 2010

Antrochoanal Polyp

Antrochoanal polyps, are solitary polyps arising from the maxillary antrum. They were first described by Killian in 1906. Although their etiology remains unknown, allergy has been implicated........

Endoscopic photograph of right nasal cavity showing an antrochoanal polyp arising from the middle meatus and blocking the right posterior choana.

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