Congenital nasal pyriform aperture stenosis: A rare cause of nasal airway obstruction in a neonate

@inproceedings{Thomas2010CongenitalNP,
  title={Congenital nasal pyriform aperture stenosis: A rare cause of nasal airway obstruction in a neonate},
  author={Elsa M Thomas and Sridhar Gibikote and Jyoti S Panwar and John M Mathew},
  booktitle={The Indian journal of radiology & imaging},
  year={2010}
}
Congenital nasal pyriform aperture stenosis (CNPAS) is a rare cause of nasal airway obstruction that clinically mimics choanal atresia, but needs to be differentiated from the latter because of the widely divergent modes of management. We present a case of CNPAS, to highlight the importance of recognizing the classic signs of CNPAS on cross-sectional imaging. 

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