Presentation
Acute attack of headache, nausea and post nasal discharge.
Patient Data
Age: 45 years old
Gender: Male
From the case:
Ivory osteoma
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Coronal bone window

Lobulated dense sclerotic fronto-ethmoidal sinus lesion obstructing the frontal sinuses which are completely filled with mucus.
Case Discussion
Ivory osteoma of the paranasal sinuses