All of the following are true about antrochoanal polyp except:
(c) Premalignant(Ref. Scott Brown, 6th ed., 4/10/14)Nasal polyps arise due to edema of the nasal mucosa. They are not premalignant.
Single
Unilateral
Premalignant
Arises from maxillary antrum
Nasal Polyposis