Inverted papilloma

Case contributed by Abraão Kupske
Diagnosis almost certain

Presentation

Nasal obstruction.

Patient Data

Age: 60 years
Gender: Male

CT Paransal Sinuses

ct

Protrusion of polypoid material through the left ostiomeatal complex into the ipsilateral nasal fossa, resulting in widening of the infundibular region on this side, as well as the complete filling of the left maxillary sinus by a material of similar characteristics. The lower left nasal turbinate has indistinct lateral margins. 

Case Discussion

Inverted Schneiderian papilloma, confirmed on pathology post resection.

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