choanal polyp


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Related to choanal polyp: antrochoanal

cho·a·nal pol·yp

an antral-choanal polyp that extends into the nasopharynx; it originates in the maxillary sinus.

choanal polyp

A nasal polyp that extends into the pharynx.
See also: polyp
References in periodicals archive ?
In conclusion, choanal polyps may also develop in the ostia mucosa of sinuses.
Choanal polyp originated from the inferior nasal concha.
Choanal polyps are benign, relatively uncommon mucous growths that by definition protrude through the choana.
Preoperative identification of the sinus from which a choanal polyp arises is important because the polyp's site of origin in the sinus must be resected in order to minimize recurrence.
Choanal polyps are solitary benign growths that can cause unilateral nasal obstruction.
Choanal polyps arising from the antrum, sphenoid sinus, septum, superior concha, and inferior concha have been reported previously.
These masses, which arise from the paranasal sinuses and pass through the sinus ostia into the nasal cavity or hang on a large pedicle in the nasopharynx, are defined as choanal polyps. (1) Most choanal polyps arise in the maxillary sinus; on rare occasions, one will originate in the sphenoid or ethmoid sinus.
Most choanal polyps originate in the maxillary sinus and extend into the nasopharynx through the natural or accessory ostium in the middle meatus, or through a postsurgical middle or inferior meatal antrostomy.
This orifice may be obstructed by adenoidal hypertrophy, choanal polyps, or neoplasms; such an obstruction can result in serous otitis media.