Presentation
A patient with nasal stuffiness presented to ENT. A left sinonasal mass was identified.
Patient Data
Left sinonasal mass centered on the middle turbinate with opacification of the left maxillary sinus.
No bony destruction or exostosis.
A mass with alternating roughly parallel lines of high and low signal intensity is present on T2. The mass avidly enhanced following contrast.
The left maxillary sinus contains only a small amount of tumor, but contains fluid as the osteomeatal complex is obstructed by the papilloma.
The inferior turbinate is displaced, but not involved.
Case Discussion
The is a classic example of a inverted papilloma demonstrating the typical convoluted cerebriform pattern and demonstrating the value of MRI over CT in pre-operative imaging.
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