Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to antrochoanal polyp: inverted papilloma
antrochoanal polypA solid polypoid lesion seen in adolescent males, which arises in the maxillary antrum but typically presents as a nasal cavity mass, secondarily involving the nasal cavity as it extends through the ostium via a long pedicle.
Inflammatory polyp, angiofibrobroma.
A nasal polyp found near the posterior wall of the maxillary sinus.
See also: polyp