SinusitisMaxillary SinusitisTransilluminationMaxillary SinusSphenoid SinusitisAcute DiseaseOrbital DiseasesEthmoid SinusitisCefuroximeFrontal SinusitisAmoxicillin-Potassium Clavulanate CombinationAmoxicillinAnti-Bacterial AgentsParanasal SinusesRespiratory Tract InfectionsParanasal Sinus DiseasesEthmoid SinusRhinitisBacteria, AerobicIschemic Attack, TransientEndoscopyNasal PolypsCellulitisMycosesTomography Scanners, X-Ray Computed