Presentation
Recurrent nasopharyngeal infection.
Patient Data
Age: 2 years
Gender: Unknown
From the case:
Unilateral choanal atresia
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/18881/annotated_viewer_json?lang=us"}
Right sided choanal atresia.
Case Discussion
This case illustrates a right unilateral osseous choanal atresia, which is the most frequent type of choanal atresia:
- 90% of cases are osseous (10% are membranous)
- two-thirds are unilateral