Introduction Although it has been more than 250 years since the first description of choanal atresia (CA), there are still doubts about this abnormality. The differences between unilateral and bilateral forms are seldom discussed. Objectives Aggregate data from patients diagnosed with CA, grouping patients with unilateral and bilateral forms. Methods Retrospective study. Results Eighteen patien...

In their report of sibs with the Pallister-Hall syndrome, Thomas et al' make the points that choanal atresia may be a feature of this condition and that it may be caused by a dominant gene. We have recently encountered an infant in whom the findings lend support to both of these suggestions. Our patient, a female, was the first child born to a healthy 31 year old female and her healthy and unre...

Bilateral choanal atresia is a rare congenital abnormality that almost always is diagnosed shortly after birth and requires prompt intervention to limit respiratory distress and facilitate proper growth. We present a case of a child diagnosed at age 10, despite years of upper airway symptoms, who had a concurrent diagnosis of Moyamoya disease.