Frontal ethmoid osteoma
25 years old male referred by mild head trauma
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Axial non enhanced CT scan shows a right sided subgaleal hematoma.
Bone window shows well defined left frontal-ethmoid osteoma extending into left frontal sinus. Fluid density at left frontal, maxillary and sphenoid sinus.
Case DiscussionOsteoma: usually an incidental finding. Most common in frontal sinuses followed by ethmoid and maxillary sinuses. May cause sinusitis
- Maxillofacial imaging. T. A. Larheim, P.L. Westesson. 2006. Springer