Endoscopic maxillary mega-antrostomy (EMMA) is a mucosal sparing technique that facilitates mucus clearance and sinus irrigation in terminally dysfunctional maxillary sinuses. EMMA involves ...

CT scans demonstrating (A) (click here to zoom) disease in the maxillary and ethmoid tissues, versus (B) (click here to zoom) normal sinus anatomy. A systematic approach to nasal endoscopic ...