Presentation
Pain and swelling over the frontal region.
Patient Data
Age: 50 years
Gender: Male
From the case:
Inverted papilloma of the frontal sinus
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Axial C+ arterial phase
There is a large fairly well-defined homogeneous, intensely enhancing soft tissue mass lesion with lobulated margins with its epicenter in the right frontal sinus.
The lesion is seen to expand and erode frontal bone. It is crossing midline and partially filling the left frontal sinus.
It is causing erosion of orbital plate of frontal bone and is extending into extraconal space causing mild proptosis.
An extension is also seen into both anterior ethmoidal sinuses, right nasal cavity, and the right maxillary sinus.
Case Discussion
This is a histopathologically proven case of an inverted papilloma of the frontal sinus.
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