Abstract
Fronto-Ethmoidal Osteoma with Orbital Extension: Case Report
Highlights
Osteoma is the most common tumor of the paranasal sinuses, with an incidence rate of 0.014-0.43% [1,2,3]
We report the case of an 18 years old male patient, without a prior medical condition, who presents with a mass of the right superior inner angle of the orbit, which grew slowly over a period of one year
Orbital involvement is a rare occurrence, following the extension from the frontal sinus or the ethmoidal cells, that can lead to ocular symptoms [4,8,9]
Summary
Osteoma is the most common tumor of the paranasal sinuses, with an incidence rate of 0.014-0.43% [1,2,3]. Chronic sinusitis, proptosis and diplopia [2]. Clinical examination found a hard mass of the right superior inner corner of the orbit, seeming to be of an osseous nature, measuring approximatively 20 mm in diameter, associated with a slight proptosis of the right eye. CT scan imaging revealed a right fronto-ethmoidal osteoma, protruding into the orbit, measuring 45x35x25 mm, repressing the right (Figure 1). The patient benefited from combined endoscopic and open surgery. We proceeded to the complete resection of the tumor via a supra-brow incision combined to transnasal endoscopic drill cavitation. There were no post-surgery complications, with the disappearance of the tumor and the regression of the proptosis
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