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KMID : 0361020020450090921
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Korean Journal of Otolaryngology - Head and Neck Surgery
2002 Volume.45 No. 9 p.921 ~ p.925
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Choanal Polyps Originating from the Ethmoid Sinus: Ethmochoanal Polyps?
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홍순관/Soon Kwan Hong
유영삼/신유리/정상원/Young Sam Yoo/You Ree Shin/Sang Won Chung
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Abstract
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Sinochoanal polyp is an inflammatory polyp that originates in the paranasal sinus, passes through a sinus ostium, and extends into the choana. While antrochoanal polyp is the most common type of sinochoanal polyp, sphenochoanal polyp is rare and
ethmochoanal polyp is extremely more rare to find. To minimize postsurgical recurrence, it is essential to completely remove the polyp together with the base of its origin. We have recently experienced and successfully managed three cases of
ethmochoanal polyp by endoscopic sinus surgery. It was difficult to histologically differentiate ethmochoanal polyp from sinonasal polyps associated with chronic rhinosinusitis. For this reason, ethmochoanal polyp should be suspected and
completely
removed together with the base of its origin when a large polyp originates from the ethmoid sinus and extends into the choana. Now we report three cases of ethmochoanal polyp with a brief review of the related literatures.
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