Antrochoanal polyp: analysis of 200 cases.

Clinical case report of a large antrochoanal polyp.

Antrochoanal polyps are benign lesions originating from the mucosa of the maxillary sinus. Nasal obstruction and rhinorrhea are their main symptoms. Their endoscopical and radiological appearance makes them relatively easy to diagnose. These polyps are usually presented unilaterally, although bilateral presentation is also possible. We described two cases of atypically giant antrochoanal polyps...

Antrochoanal polyp : a review of sixteen cases Summary

Bilateral Antrochoanal Polyp in an Adult: A Rarity

Antrochoanal polyps usually present unilaterally. It is defined as a polyp originating in the maxillary sinus, protruding in the middle meatus through the ethmoidal infundibulum or an accessory ostium and further extends posteriorly through the choana into the nasopharynx or in oropharynx in a few cases. An antrochoanal polyp usually has three parts according to its extension, i.e antral, nasal...

Acute sinusitis mimicking antrochoanal polyp.

Three cases of antral sinusitis that presented in an unusual fashion are reported. In each case, the inflamed, swollen sinus mucosa became redundant and prolapsed into the nasal cavity through a widened sinus ostium, mimicking the findings of an antrochoanal polyp. The cases represent the first report in the radiographic literature of this unusual manifestation of maxillary sinusitis.

Atypical presentation of antrochoanal polyp in a child.

Antrochoanal polyp is a benign, solitary polypoid lesion arising from the edematous mucosa of the maxillary sinus and extending through the maxillary ostium into the nose. In children, it constitutes 33% of all nasal polyps. It presents most commonly with unilateral nasal obstruction and purulent rhinorrhea. Surgery is the usual treatment for antrochoanal polyps. The primary aim of treatment fo...