Three-dimensional evaluation of the relationship between nasopharyngeal airway shape and adenoid size in children
오경민, 김민아, Youn Jong-Kuk, 조형준, 박양호,
소속 상세정보
오경민 ( Oh Kyung-Min ) - Hallym University Kangdong Sacred Heart Hospital Department of Orthodontics
김민아 ( Kim Min-Ah ) - Hallym University Kangdong Sacred Heart Hospital Department of Orthodontics
( Youn Jong-Kuk ) - Hallym University Graduate School Department of Clinical Orthodontics
조형준 ( Cho Hyung-Jun ) - Hallym University Graduate School Department of Clinical Orthodontics
박양호 ( Park Yang-Ho ) - Hallym University Kangdong Sacred Heart Hospital Department of Orthodontics
KMID : 0361920130430040160
Abstract
Objective: To evaluate the shapes and sizes of nasopharyngeal airways by using cone-beam computed tomography and to assess the relationship between nasopharyngeal airway shape and adenoid hypertrophy in children. Methods: Linear and cross-sectional measurements on frontal and sagittal cross-sections containing the most enlarged adenoids and nasopharyngeal airway volumes were obtained from cone-beam computed tomography scans of 64 healthy children (11.0 ± 1.8 years), and the interrelationships of these measurements were evaluated. Results: On the basis of frontal section images, the subjects’ nasopharyngeal airways were divided into the following 2 types: the broad and long type and the narrow and flat type. The nasopharyngeal airway sizes and volumes were smaller in subjects with narrow and flat airways than in those with broad and long airways (p < 0.01). Children who showed high adenoid-nasopharyngeal ratios on sagittal imaging, indicating moderate to severe ade-noid hypertrophy, had the narrow and flat type nasopharyngeal airway (p < 0.01). Conclusions: Cone-beam computed tomography is a clinically simple, reliable, and noninvasive tool that can simultaneously visualize the entire structure and a cross section of the nasopharyngeal airway and help in measurement of adenoid size as well as airway volume in children with adenoid hypertrophy.
키워드
Cone-beam computed tomography; Nasopharyngeal airway; Adenoid hypertrophy; Adenoid-nasopharyngeal ratio
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