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Related to choanal polyp: antrochoanal
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  • noun

Synonyms for polyp

a small vascular growth on the surface of a mucous membrane

one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth

References in periodicals archive ?
Our patient's polyp was described as a choanal polyp because of the lack of involvement of the ipsilateral maxillary or sphenoid sinus and lack of clear attachment to the turbinates, ethmoid mucosa, or nasal septum.
A choanal polyp is hypodense on CT, hypointense on T1-weighted and hyperintense on T2-weighted MR images, with peripheral contrast enhancement.
To prevent recurrence, we removed the intrasinusoidal cystic portion of choanal polyp completely along with nasal part.
The presence of a choanal polyp in an atypical location can lead to diagnostic confusion and exploration of the wrong sinus at surgery.
Histology revealed features of an inflammatory choanal polyp (figure 3).
1) CT usually shows a choanal polyp in association with ipsilateral maxillary sinusitis.
However, nasal endoscopy revealed that a large mass was obstructing the entire nasopharynx and suggested that a choanal polyp might be emanating from the left side.
Choanal polyps have frequently been described as arising from the maxillary sinus (1) and have been infrequently reported to be arising from the sphenoid sinus.
Most choanal polyps arise from the maxillary sinus, and they are called antrochoanal polyps.
Choanal polyps arise from one of the paranasal sinuses: antrochoanal polyp is the most common.