科研之友
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摘要
Introduction: The goals of this study were to evaluate (1) the reliability and accuracy of cone-beam computed tomography (CBCT) for assessing adenoid size compared with nasoendoscopy and (2) the influence of clinical experience on CBCT diagnosis. Methods: Adenoid size was graded on a 4-point scale for CBCT and nasoendoscopy by a pediatric otolaryngologist. Reliability was assessed with intraobserver and interobserver agreement. Accuracy was assessed with agreement between CBCT and nasoendoscopy, plus sensitivity and specificity analyses. The CBCT assessments were completed by a team of 4 evaluators: an oral and maxillofacial radiologist, an airway orthodontist who participates in the multidisciplinary team, an academic orthodontist whose primary research is in 3-dimensional imaging, and a highly experienced private practice orthodontist comfortable with CBCT imaging. Each evaluator was specifically chosen to represent a unique set of clinical and radiographic experiences. All evaluators were blinded to the subject's identity and clinical history, and they evaluated the images in a unique random order and evaluated each image 3 times separated by a minimum of 7 days. The same computer hardware and software were used. Results: Thirty-nine consecutively assessed, nonsyndromic subjects (ages, 11.5 +/- 2.8 years) were evaluated. The CBCT demonstrated excellent sensitivity (88%) and specificity (93%), strong accuracy (ICC, 0.80; 95% CI, +/- 0.15), and good reliability, both within observers (ICC, 0.85; 95% CI, 6 0.08) and between observers (ICC, 0.84; 95% CI, +/- 0.08). The clinical experience of the CBCT evaluator did not have a statistically significant effect. Conclusions: CBCT is a reliable and accurate tool for identifying adenoid hypertrophy.
- 出版日期2014-10
