Which of the following best differentiates antrochoanal polyp from ethmoidal polyp?: (A) They are multiple, (B) Best seen on posterior rhinoscopy, (C) Recurrence on polypectomy, (D) They are bilateral
Answer is B. (b) Best seen on posterior rhinoscopy(Ref. Scott Brown, 6th ed., 4/10/14)EthmoidalAntrochoanalMainly allergic etiologyInfectiveCommonUncommonMiddle ageYoungMultipleSingleBilateralUnilateralSeen on anterior rhinoscopyPosterior rhinoscopySteroids and antihistaminics are used in t/tNo roleHighly recurrentRecurrence is uncommon