CASE HISTORY: 6-year-old girl with purulent discharge from the right nostril for weeks now. Left-sided septal spur.


FINDINGS:
Demonstration of a well circumscribed opacity in the left nasal cavity. The sinuses are clear. No significant deviation of the septum.


DIAGNOSIS:
Rhinolith in the right nasal cavity.

DIFFERENTIAL DIAGNOSIS:
Osteoma



Suggestions for further reading:

1) Amersham Health
2) Entusa.com