n SA Journal of Radiology - Choanal stenosis and atresia : pictorial interlude
|Article Title||Choanal stenosis and atresia : pictorial interlude|
|Journal||SA Journal of Radiology|
|Author||S. Moosa, Y. Vadachia and S. Andronikou|
|Publication Date||Dec 2005|
|Pages||32 - 33|
Extracted from text ... Stenosis or atresia of the posterior nasal cavity, i.e. the choanae, is the most common congenital abnormality of the nasal cavity. Stenosis is considered to be more common than atresia. Bilateral atresia is life-threatening in neonates, who are obligate nasal breathers. These patients present early with severe respiratory distress, aggravated by feeding. Other pointers to the diagnosis include the inability to pass a nasogastric tube and relief of respiratory compromise on crying. The patients with unilateral disease typically present later in life with unilateral, chronic suppurative rhinorrhoea. This form of the condition is more common but due to its ..
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