Abstract
Objective:To report our experience on endoscopic nasal lateral wall dissection approach for treatment of refractory benign maxillary sinus diseases.Methods:The data of 8 patients,who had relapsing maxillary diseases 2 to 4 times after maxillary sinus or ethmoid sinus surgery,were retrospectively analyzed.The patients included 6 males and 2 females,with an average age of(55±14) years(41-69 years).Under general anesthesia the operation started from an incision in front of the inferior turbinate(IT),then the lacrimal duct(LD) was dissected to form a IT-LD flap.The flap was placed inwardly and the maxillary sinus lesion was removed under endoscope.The inferior antrostomy was performed when necessary.The possibility of maxillary sinus malignant lesions was ruled out by postoperative pathology.Results:Postoperative pathological findings confirmed that the lesions were all benign.The follow-up period ranged from 6-14 months.Five patients were cured and 3 were improved 6 months after operation.There were no complications such as cheek numbness,epiphora,orbital hemorrhage,visual disorder or cerebrospinal fluid rhinorrhea during follow-up.Conclusion:The endoscopic nasal lateral wall dissection approach provides a wider vision field and allows for a thorough removal of maxillary sinus lesions,while reserving the LD and IT.
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