PubMed · 8559708
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L Menasse-Palmer, A Bogdanow, R W Marion. 1995. Choanal atresia.. https://pubmed.ncbi.nlm.nih.gov/8559708/
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Eight neonatal patients with bilateral congenital choanal atresia were treated by endonasal perforation with a curved trocar. In two of these the atresia plate was perforated under direct vision using a 0 degree Hopkins rod endoscope. A stenting technique is described, the aim of which is to provide good fixation and easy postoperative nursing care. Of the cases, seven did not require further treatment. A single case required further dilatation on one side. The trans-nasal endoscopic technique and the described method of stenting is a safe, quick and efficient procedure for the correction of choanal atresia in neonates. A familial tendency is described in seven of the eight cases.
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 cases that demonstrate potentially serious imaging pitfalls. Two neonates with nasopharyngeal obstruction were imaged with CT and MR. Both patients had surgically proved bilateral bony choanal atresia. In addition to choanal atresia, CT showed a radiolucent, or nonossified cribriform plate and mucoid secretions within the nasal fossa, adjacent to the cribriform plate, which approximated the attenuation of brain parenchyma. In one of the patients, a preoperative diagnosis of nasopharyngeal encephalocele resulted in surgical exploration. At surgery, however, the cartilaginous cribriform plate was found to be intact.
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