15.Antrochoanal polyp is characterized by:
C and D Nasal polyos are non neoplastic mases of edematous nasal or sinus mucosa.They do not bleed on touch. Recurrence is uncommon in case of antrochoanal polyp Antrochoanalpolyps arise from maxillary antrum and then grow into choana and nasal cavity Ref Dhingra 6/e p 174,175
Usually bilateral
It is of allergic origin
It arises from maxillary antrum
Caldwell luc operation is treatment of choice in recurrent cases
Nose and paranasal sinuses