Antrochoanal polyp arise from?: (A) Ethmoid sinus, (B) Maxillary sinus, (C) Frontal sinus, (D) Sphenoid sinus
Answer is B. ANSWER: (B) Maxillary sinusREF: Dhingras ENT 5th ed p-188, 4th edition page 164See table of "DIFFERENCES BETWEEN ANTROCHOANAL AND ETHMOIDAL POLYP" in ENT December 2009