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Lateral cervical radiographs and adenoid size: do they correlate?
L M Cohen1, P J Koltai, J R Scott
1Division of Otolaryngology, Albany Medical College, New York 12208.
Ear, Nose, & Throat Journal
|December 1, 1992
Summary
Lateral soft tissue neck x-ray (LSTN) shows a weak correlation with direct observation of adenoid size. Despite limitations, LSTN remains a useful preoperative tool for assessing children for adenoidectomy.
Area of Science:
- Otolaryngology
- Pediatric Radiology
- Diagnostic Imaging
Background:
- Clinicians question the diagnostic value of lateral soft tissue neck x-ray (LSTN) for assessing adenoid size.
- Adenoid hypertrophy can cause nasopharyngeal obstruction, impacting children's health.
- Cephalometric methods exist for measuring nasopharyngeal obstruction.
Purpose of the Study:
- To prospectively evaluate the correlation between LSTN and direct intraoperative observation of adenoid size and nasopharyngeal obstruction.
- To assess the clinical utility of LSTN in pediatric patients undergoing adenoidectomy.
Main Methods:
- Prospective study of 73 children (11 months to 13 years) with clinical adenoid hypertrophy.
- Comparison of LSTN findings with direct intraoperative visual assessment.
- Statistical analysis using Pearson correlation coefficient.
Main Results:
- A weak correlation (r = 0.34) was found between LSTN and intraoperative observations.
- The study identified limitations in using a non-dynamic imaging modality for a dynamic anatomical area.
Conclusions:
- Lateral soft tissue neck x-ray is an appropriate preoperative examination for children considered for adenoidectomy.
- Interpreting LSTN requires acknowledging its limitations in assessing the dynamic nasopharynx.
- LSTN provides valuable, albeit imperfect, preoperative information for adenoidectomy decisions.