Maxillary sinus pathology is commonly approached through endoscopic middle meatal antrostomy (MMA). However, MMA does not provide full exposure to certain aspects of the maxillary sinus, such as alveolar, zygomatic, and prelacrimal recesses. In these hidden maxillary sinus niches, a combination approach with MMA is required for better exposure and access. In this article, we present a modification of inferior maxillary antrostomy (IMA) to allow for a temporary intraoperative window with no significant postoperative consequences. (1) To describe our modification of IMA. (2) To report the outcome of maxillary sinus disease, postoperative complications, and flap condition. This is a retrospective chart review study. It was performed on 20 patients where submucosal temporary inferior maxillary antrostomy (STIMA) was indicated in the period from January 1, 2020, and July 1, 2023. All patients were assessed for their demographics, diagnosis, indication for STIMA, maxillary disease outcome, presence of postoperative complications, and flap condition. Total of 18 patients fulfilled our inclusion/exclusion criteria; of them, 13 were males while the remaining were females. Mean age of patients was 33 years; most common diagnosis was chronic sinusitis. Status of maxillary sinus mucosa was healthy in all except 4 patients having polypoidal mucosa while flap condition was intact in all patients except 2 patients with pinpoint defects. Postoperative complications assessment demonstrated no neural, orbital, lacrimal, or dental complications in all patients. This retrospective chart review showed promising technique to address challenging maxillary lesions in difficult-to-access locations where combined approaches are necessary.

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http://dx.doi.org/10.1177/01455613241255727DOI Listing

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