CASE HISTORY / CLINIC:
22-year-old patient who mistakenly shot himself in the left orbita with an air gun.


FINDINGS:
Polypoid swelling of the mucous membrane lining the right maxillary sinus. The other sinuses are clear. Demonstration of a well defined roundish opacity in projection to the outermost edge of the left frontal sinus.



DIAGNOSIS:
Polypoid swelling of the mocous membrane of the right maxillary sinus.
Secondary finding: Projectile in the subcutis due to gunshot.