Background and Objectives: Antrochoanal Polyp usually appears as a large, soft, gelatinous mass in the nasopharynx. Most incidents of antrochoanal polyp arise from mucosa around the natural ostium of the maxillary sinus. Surgical methods
employed
in the treatment of antrochoanal polyp are simple avulsion, Caldwell-Luc's operation, osteoplastic maxillary sinus operation, inferior meatal antrostomy, as well as endoscopic removal. Simple avulsion has been know to accompany a high recurrence
rate,
whereas the incidence of recurrence has been reported to be lower for endoscopic sinus surgery. In this regard, we compared postoperative results of simple avulsion or Caldwell Luc's operation with endoscopic sinus surgery in treating
antrochoanal
polyp. Materials and Methods: We evaluated 42 patients who were treated for antrochoanal polyp from April 1991 until April 1996 by analyzing their clinical features, radiologic findings, postoperative results, and postoperative
complications.
Results: Simple avaulsion method was used to treat 21 cases (50%), and endoscopic sinus surgery method was used to treat another 21 cases (50.0%, three cases were combined with Caldwell-Luc's operation). Among those who received simple
avulsion
treatment, 9 showed recurrence, whereas none of those who underwent endoscopic sinus surgery and were method for treating antrochoanal polyp.
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