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  • Title: Paranasal sinus development and choanal atresia.
    Author: Behar PM, Todd NW.
    Journal: Arch Otolaryngol Head Neck Surg; 2000 Feb; 126(2):155-7. PubMed ID: 10680865.
    Abstract:
    BACKGROUND: Although the determinates of paranasal sinus development and sinusitis are not well defined, a candidate factor is blockage of the choana. HYPOTHESIS: Maxillary sinuses ipsilateral to unilateral choanal atresia are comparatively small and have more evidence of sinusitis than do the contralateral sinuses. DESIGN: Retrospective. SETTING: Children's hospitals. PATIENTS: Sixteen nonsyndomic children with isolated unilateral congenital choanal atresia. MAIN OUTCOME MEASURES: Determination of maxillary sinus volumes and mucoperiosteal thickening on preoperative computed tomograms. RESULTS: Maxillary sinuses ipsilateral to unilateral choanal atresia have slightly larger volumes than, and mucoperiosteal thickening that is similar to, the contralateral sinuses. CONCLUSION: These data suggest that maxillary sinus development and sinusitis are independent of posterior nasal ventilation and drainage.
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