Pocket Atlas of the Nose and Paranasal Sinuses :: NASAL POLYPS :: 149_G
 NASAL POLYPS  
CHOANAL POLYP

CHOANAL POLYP

Description : Polyps which extend posteriorly on a stalk into the choana are called choanal or antrochoanal polyps. Most choanal polyps arise from the maxillary antrum, leaving the sinus most commonly via an accessory maxillary sinus ostium.

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