Figure 3. Non-contrast-enhanced computerized tomography of paranasal sinuses, 2013 (panels a-c): demonstrate an osseous lesion involving the right middle nasal turbinate (white arrow), extending into the lateral lamella of the right cribriform plate (arrowhead), and obstructing the right anterior ethmoid sinus (red triangle). On the contralateral side, left anterior ethmoid and maxillary sinusitis can be observed.
