Maxillary Sinus Foreign Body Removal (Endoscopic)

To explore the clinical efficacy of removing iatrogenic maxillary sinus foreign bodies by fenestration of the anterior lacrimal recess assisted by transnasal endoscopy. A patient with iatrogenic maxillary sinus foreign body complicated by infection, who was referred to our department one month after surgery in another hospital, was selected. Under general anesthesia and with the assistance of transnasal endoscopy, the foreign body in the maxillary sinus was removed in one operation and the infected focus was cleared through fenestration of the anterior lacrimal recess. After the operation, the inflammation of the maxillary sinus gradually subsided and the mucosa healed well. During the 3 - 6 - month postoperative follow - up, the nasal cavity and maxillary sinus recovered well, and no complications occurred. The approach of the anterior lacrimal recess under transnasal endoscopy for dealing with iatrogenic maxillary sinus foreign bodies has clear vision, convenient operation and less invasiveness. It is especially effective for patients with severe sinusitis accompanied by ostium obstruction and involvement of other paranasal sinuses. This method can maintain the integrity of the sinus wall and mucosa, and can effectively improve drainage, ventilation and mucosal ciliary function1. 1. Giovannetti F, Priore P, Raponi I, et al: Endoscopic sinus surgery in sinus - oral pathology. J Craniofac Surg 25(3):991–994, 2014. doi:10. 1097/SCS.0000000000000608.