Radiological characteristics of mixed composition intraorbital foreign body.

Orbital trauma is commonly complicated by retention of intraorbital foreign bodies. A 39-year-old man presented following a penetrating injury to the right orbit, with CT evidence of foreign bodies in the right anterior and posterior medial orbit. The foreign bodies were found to be a mixed composition of metal and wood. Characterising wood on CT imaging is difficult due to its radiolucency and low density, which can be mistaken for air in the setting of traumatic orbital emphysema. Increasing the window width on bone window settings can be used to distinguish wood from air, which is crucial for facilitating its complete surgical removal.