title: Endoscopic minimally invasive management of a periradicular lesion invading the maxillary sinus.
abstract: A referred patient presented with a lesion of endodontic origin located at the apex of tooth #27. The tooth had been endodontically treated and re-treated. A periapical radiograph revealed a close relationship between the lesion and the maxillary sinus. A cone-beam computed tomography scan confirmed that the lesion had invaded the sinus cavity. The treatment plan consisted of periapical surgery using an endoscope as a magnification device. Due to a sinus membrane perforation, a new sinus membrane repair technique was performed. Twelve months after surgery, a cone-beam computed tomography scan revealed successful healing of the lesion. The continuous preservation of the sinus physiology was also observed. The use of an endoscope as a magnification device and a tailored technique for sinus membrane management allowed us to achieve a successful treatment outcome in the case of an endodontic lesion invading the maxillary sinus.
authors.affiliation: Department of Health Technologies, IRCCS Istituto Ortopedico Galeazzi, University of Milano, Milan, Italy.
authors.forename: Silvio
authors.initials: S
authors.lastname: Taschieri
authors.forename: Massimo Del
authors.initials: MD
authors.lastname: Fabbro
authors.forename: Stefano
authors.initials: S
authors.lastname: Corbella
authors.forename: Tommaso
authors.initials: T
authors.lastname: Weinstein
authors.forename: Gabriele
authors.initials: G
authors.lastname: Rosano
authors.forename: Igor
authors.initials: I
authors.lastname: Tsesis
mesh_terms: D054893:Cone-Beam Computed Tomography; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D007909:Lenses; D008443:Maxillary Sinus / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery*; D008866:Microsurgery / Q000295:instrumentation; D008875:Middle Aged; D009297:Nasal Mucosa / Q000293:injuries / Q000601:surgery*; D010254:Paranasal Sinus Diseases / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D010483:Periapical Diseases / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D019233:Retreatment; D012184:Retrograde Obturation