The irregular "polypoid" growth extending from the ostium of this left sphenoid sinus is an inverting papilloma. Courtesy of Professor Heinz Stammberger, University of Graz, Austria
This patient presented with a history of left-sided nasal polyps, which had been removed three times in the past year. On close inspection, the anterior surface of the middle turbinate had a knobbly appearance...
This is the surgical specimen of a large inverting papilloma which originated in the right nasal cavity and extended posteriorly through the nasopharynx into the left choana.
This large inverting papilloma which originated in the right nasal cavity has extended posteriorly through the nasopharynx to enter the left posterior choana.
This patient presented with a history of bilateral nasal obstruction. Endoscopic examination revealed an irregular polypoid mass arising from the right superior turbinate and extending anteriorly into...
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![Large Inverting Papilloma [Surgical Specimen]](https://medtube.net/images/min/fbbb4dc6e884ddf297dc0c8602c87ab1/149/112/1 "Large Inverting Papilloma [Surgical Specimen]")
