case_images: PMC10674637_01
case_images: Posterior choanae via endoscope prior to surgery (A) Right nasal passage (B) Left nasal passage S: Septum; IT: Inferior turbinate; *Atretic choanae.
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case_images: The patient had an endoscopic nasal examination, and it was discovered that her nasal mucosa was normal, whereas both of her posterior choanal plates were atretic (Figure 1).
case_images: Bilateral choanal atresia is seen in computed tomography of the paranasal sinuses. (A) Sagittal section (B) Axial section.
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case_images: A computed tomography (CT) of the sinuses revealed full bilateral choanal atresia without any further notable anomalies (Figure 2).
case_images: An endoscopic image of the choana during surgery (A) Right nasal passage (B) Left nasal passage.
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case_images: We avoid excessive mucosal damage to avoid adhesion and re stenosis, but flap was not raised (Figure 3).
case_images: One-month postoperative endoscopic image of the choana (A) Right nasal passage (B) Left nasal passage S: Septum; LW: lateral wall; choanal.
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case_images: Both nasal passages were quite open upon physical examination (Figures 4 and 5).
case_images: Eight-month postoperative endoscopic image of the choana (A) Right nasal passage (B) Left nasal passage S: Septum.
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case_images: Both nasal passages were quite open upon physical examination (Figures 4 and 5).