Highlights • The endoscopic approach is considered safe and effective procedure.• Endoscopic large middle meatal antrostomy has a low recurrence rate in antrochoanal polyps.• The antral portion of ACP should… Click to show full abstract
Highlights • The endoscopic approach is considered safe and effective procedure.• Endoscopic large middle meatal antrostomy has a low recurrence rate in antrochoanal polyps.• The antral portion of ACP should be removed, together with the periostium on the point of origin.• The development of endoscopic naso-sinusal instrumentation allows the best control of the site origin of the ACP.
               
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