Orbital Cellulitis Arising from Acute Frontal Sinusitis via Maxillary and Ethmoidal Sinusitis due to Odontogenic Infection

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we report a case of a 55-year-old male who presented with orbital cellulitis as a complication of acute frontal sinusitis due to odontogenic infection. Computed Tomographic scans revealed orbital cellulitis in addition to unilateral opacification of all maxillary and frontal sinuses and only the frontal part of the ethmoid sinus. Surgical approach was required to treat the sinusitis and associated orbital cellulites, and bone destruction was found between the frontal sinus and the upper orbital wall. Cultures detected Streptococcus constellatus from all sites.Odontogenic infections may spread to the orbit through several routes. In this case, the acute frontal sinusitis most likely occurred after disease of the ostiomeatal complex. The infection spread to the orbit through the ruptured hole between frontal sinus and the upper wall of the orbit. Treatment consisted of drainage and antibiotic medication as well as treatment of the causal dental infection.
耳鼻咽喉科臨床学会の論文