Frontal sinus osteoma

Case contributed by Mostafa Elfeky
Diagnosis almost certain



Patient Data

Age: 25 years
Gender: Female

Clear paranasal sinuses.

A well-defined opaque lesion within the left frontal sinus, mostly represents an osteoma.

Case Discussion

Incidental note of left frontal sinus osteoma, with non-opacified rest of sinus cavity. Frontal sinus is the most common location (80%) followed by ethmoid air cells. It is often an asymptomatic and incidental finding unless it obstructs sinus drainage.

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