A sphenochoanal polyp is a rare lesion that originates in the sphenoid sinus. It occurs most
often in adolescents and young adults. We present what to the best of our knowledge is the …

Choanal polyps almost always appear as solitary growth and most commonly arise from the
maxillary sinus. Isolated polyp originating from the anterior wall of the sphenoid sinus or …

Introduction: Sphenochoanal polyps are rare tumours originating from sphenoid sinus. Its
main symptom is progressive nasal obstruction. Sphenochoanal polyp must be differ from …

Sphenochoanal polyp is a rare form of choanal polyp which originates from the sphenoid
sinus and extends to posterior choanae via sphenoethmoidal recess. Its occurrence is …

Background: Choanal polyps constitute 3-6% of all nasal polyps and are lesions which
usually originate from the mucosa of the maxillary sinus and have a solitary growth pattern …

Objectives: To present an unusual case of a sphenochoanal polyp that regressed and
review the etiology of such polyps in comparison to the commoner antrochoanal polyp …

Choanal polyps arise from inflamed, edematous mucosa in the paranasal sinuses. They
extend into the choana and cause nasal obstruction and mouth breathing. In most cases …

Sphenochoanal polyp is a rare entity which originates in the sphenoid sinus cavity and
extends into the choana via the ostium. It presents in a similar manner to the more common …

Sphenochoanal polyp is a rare entity originating from sphenoid sinus. It may be confused
with antrochoanal polyp on anterior rhinoscopy because of its similar appearance …

Most choanal polyps arise from the maxillary sinus, and they are called antrochoanal polyps.
Their typical endoscopic and radiologic appearance makes them easy to diagnose …