CT
Axial non-contrast
Modality: CT (non-contrast)

- “ This case illustrates a right unilateral osseous choanal atresia, which is the most frequent type of choanal atresia: 90% of cases are osseous (1...”

Used in the following article:

  • Choanal atresia - “ Choanal atresia refers to a lack of formation of the choanal openings. It can be unilateral or bilateral. Epidemiology It frequently presents in...”

View full size version of Unilateral choanal atresia

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