Abstract
ABSTRACTIntroductionNasal polyps are pedunculated, edematous, prolapsed mucosa of the paranasal sinuses. These polyps commonly arise around the ostia of the paranasal sinuses in the middle meatus.DiscussionThe commonest sites of polyp formation are the ethmoid sinuses and maxillary sinus. Rarely polyps may also arise from the other paranasal sinuses. Sites in the nasal mucosa other than the paranasal sinuses are very rare, though polyps arising from the septum have also been reported.The etiology of nasal polyposis is believed to be due to an inflammatory reaction of the nasal and paranasal sinus mucosa.ConclusionIn addition to the theory of altered airway dynamics in the middle meatus, there also appears to be a link between polyp formation and preceding chronic inflammation. This is the most likely explanation for the origin of polyps in unusual sites.We present here a case of a nasal polyp arising from the floor of the nasal cavity. There are no previous records or reports in literature of this unusual site of origin of a nasal polyp.
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