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Article Abstract
Introduction: Adenoid hypertrophy (AH) is prevalent in 35%-70% of the global pediatric population, leading to airway obstruction and sleep disturbances. Current diagnostic criteria for the adenoid-to-nasopharyngeal (/) ratio lack age-specific adjustments, potentially resulting in diagnostic inaccuracies.
Methods: This retrospective study assessed pediatric outpatients aged 1-12 years who underwent lateral nasopharyngeal radiography. Measurements of adenoid depth (AD), nasopharyngeal depth (ND), and / ratios were recorded, and age-stratified percentiles (P5-P95) were calculated for four distinct age cohorts. The relationships between AD, ND, and / ratios and age were analyzed. Measurements were conducted by two independent radiologists, with any discrepancies adjudicated by a senior expert.
Results: In this investigation involving 2,629 outpatient children aged between 1 and 12 years, the median AD remained consistent at 14-15 mm, whereas ND increased from 21 to 27 mm, resulting in a decrease in the / ratio from 0.68 to 0.56. Pathological hypertrophy was identified in 42% of children aged 1-3 years, compared to 13.7% in those aged 10-12 years, with no significant sex-based differences observed. Age-specific reference ranges showed that both AD and ND increased with age, whereas the / ratio decreased. A positive correlation was found between AD and both ND and the / ratio, while ND exhibited a negative correlation with the / ratio. Significant discrepancies were noted between age-specific / ratio percentiles and the current fixed diagnostic criteria for children aged 1-12 years. The study established percentile-based reference values (P5-P95) for AD, ND, and the / ratio across four pediatric age groups.
Conclusions: This study established percentile-based reference values (P5-P95) for AD, ND, and the / ratio across four pediatric age groups, thereby recommending age-specific diagnostic thresholds for AH in clinical settings.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12391102 | PMC |
| http://dx.doi.org/10.3389/fped.2025.1639498 | DOI Listing |
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