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Inverted papilloma

Case contributed by Frank Gaillard
Diagnosis almost certain

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

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Opacification and expansion of the sphenoid sinuses with extension into the posterior ethmoid air cells and nasopharynx. 

Case Discussion

Inverted papilloma proven on biopsy.

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