<prompt> What is the treatment of choice for ethmoidal polyps?Functional Endoscopic sinus surgery with polypectomyIntranasal ethmoidectomyExtranasl ethmoidectomyTransantral ethmoidectomy  <response>: Ans. is a i.e., Functional Endoscopic sinus surgery with polypectomy Surgical treatment of ethmoidal polyps1 Functional endoscopic sinus surgery FESS : Surgery of choice when available.2 Polypectomy : When there are one or two pedunculated polyps.3 Intranasal ethmoidectomy : Indicated when polyps are multiple and sessile.4 Extranasal ethmoidectomy : This is indicated when polyps recur after intranasal procedures.5 Transantral ethmoidectomy : Indicated when infection and polypoidal changes are also seen in the maxillary antrum. In this case antrum is opened by caldwell-Luc approach and the ethmoidal air cells approached through the medial wall of the antrum. 