CT and MR revealed a case of nasopharyngeal atresia, a malformation in which the soft
palate is not formed, and the hard palate extends posteriorly to fuse with the anterior surface …

To increase an awareness of the developmental anatomy of the nasal cavity as it applies to
the radiologic work-up of choanal atresia and frontoethmoidal cephaloceles, we report two …

Congenital Nasal Piriform Aperture Stenosis Page 1 Congenital Nasal Piriform Aperture
Stenosis Ann Bignault and Mauricio Castillo Summary: A 3-1/2-month-old girl presented with …

Careful search of the literature on nasopharyngeal atresia as far back as 1890 yielded
surprisingly little material and few completely reported cases. The end-results, after a …

Congenital choanal atresia is rare. Previous literature has dealt with the diagnosis and
management of these patients, but there are no reports that accurately describe the nature of …

A number of craniofacial and systemic malformations have been described in association
with choanal atresia. We report a case of bilateral choanal atresia associated with …

Congenital atresia, or imperforation, of the posterior nares is a developmental malformation
resulting in partial or complete closure of the choanae. The obstruction may be unilateral or …

I should like to report a case of congenital atresia of the posterior nares, in which operation
was performed and patency achieved. On May 7, 1938, MC, aged 11 years, presented …

Congenital abnormalities of the nose and nasopharynx are not uncommon but there are few
recorded series in the literature of atresia and stenosis of the posterior nares. Pastore and …

Twelve neonates presenting with nasal obstruction after birth were evaluated by imaging
studies for diagnostic reasons. Four groups were recognized: Group I: choanal atresia (n= 5) …