Abstract
Objective: 1) Report a unique case of a complete maxillary sinus septation (MSS) obstructing the ostio-meatal complex with resulting chronic unilateral maxillary and ethmoid sinusitis. 2) Report a novel treatment of a MSS with dual approach via Caldwell-Luc and endscopic maxillary antrostomy. 3) Perform a literature review of MSS. Method: This is an individual case report of a pediatric patient treated in 2010 for chronic right maxillary and ethmoid sinusitis resulting from an obstructive complete MSS. Initial treatment was medical, followed by a unique combined surgical approach. The patient was followed clinically and with computed tomography (CT). Results: The patient did not have recurrence of sinusitis either clinically or on imaging during the follow-up period. Conclusion: This is a unique case of MSS causing chronic sinusitis. There is scant mention of MSS in otolaryngology literature, with most mentions coming from oral and maxillofacial surgery literature. This may present an area for future investigation in relation to both imaging findings and surgical approach to rhinosinusitis.
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