Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-25T23:06:08.176Z Has data issue: false hasContentIssue false

The adenoidal-nasopharyngeal ratio (AN ratio)

Its validity in selecting children for adenoidectomy

Published online by Cambridge University Press:  29 June 2007

Samy Elwany*
Affiliation:
Al Khobar, Saudi Arabia
*
Samy Elwany, M.D., Ear, Nose & Throat Dept., Dr. Fakhry Hospital, P.O. Box 251, Alkhobar, Saudi Arabia.

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Research Article
Copyright
Copyright © JLO (1984) Limited 1987

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Capitanio, M A. and Kirkpatrick, J. A. (1970) Nasopharyngeal lymphoid tissue. Radiology, 96: 389391.CrossRefGoogle ScholarPubMed
Eller, J. L., Roberts, J. F. and Ziter, F. M. (1971) Normal nasopharyngeal lymphoid tissue in adults: a statistical study. American Journal of Radiology, 112: 537541.Google Scholar
Frenback, S. K., Browillette, R. T., Riggs, T. W. and Hunt, C. E. (1983) Radiologic evaluation of adenoids and tonsils in children with obstructive sleep apnea: plain films and fluoroscopy. Pediatric Radiology, 13: 258265.Google Scholar
Fujioka, M., Young, L. W. and Girdang, B. R. (1979) Radiographic evaluation of adenoidal size in children: Adenoidal-nasopharyngeal ratio. American Journal of Radiology, 133: 401404.Google ScholarPubMed
Goldman, J. L. and Bachman, A. L. (1958) Soft tissue roentgenography of the nasopharynx for adenoids. Laryngoscope, 68: 4288–1293.CrossRefGoogle ScholarPubMed
Handelman, C. S. and Osborne, G. (1976) Growth of the nasopharynx and adenoid development from one to eighteen years. Angle Orthodontics, 46: 243259.Google Scholar
Hibbert, J. (1977) The current status of adenoidectomy: a survey among otolaryngologists. Clinical Otolaryngology, 2: 239247.CrossRefGoogle ScholarPubMed
Hibbert, J. and Stell, P. M. (1979) A radiological study of the adenoid in normal children. Clinical Otolaryngology, 4: 321327.CrossRefGoogle ScholarPubMed
Hibbert, J. and Whitehouse, G. H. (1978) The assessment of adenoidal size by radiologic means. Clinical Otolarynology, 3: 4347.CrossRefGoogle Scholar
Hibbert, J., Stell, P. M. and Wright, A. (1980) Value of physical signs in the diagnosis of enlarged adenoids. Clinical Otolaryngology, 5: 191194.CrossRefGoogle ScholarPubMed
Jeans, W. D., Fernands, D. C., Maw, A. R. and Leighton, B. C. (1981) A longitudinal study of the growth of the nasopharynx and its contents in normal children. British Journal of Radiology, 54: 117121.CrossRefGoogle ScholarPubMed
Johannesson, S. (1968) Roentgenologic investigation of the nasopharyngeal tonsil in children of different ages. Acta Radiologica (Diagnosis), 54: 299304.CrossRefGoogle Scholar
Linder-Aronson, S. (1970) Adenoids-Their effect on mode of breathing and nasal air flow and their relationship to characteristics of facial skeleton and dentition. Acta Otolaryngologica, Supplement 265.Google Scholar
Maw, A. R., Jeans, W. D. and Fernands, D. C. J. (1981) Inter-observer variability in the clinical and radiological assessment of adenoid size and the correlation with adenoid volume. Clinical Otolaryngology, 6: 317322.CrossRefGoogle ScholarPubMed
Pruzansky, S. (1975) Roentgencephalometric studies of tonsils and adenoids in normal and pathologic states. Annals of Otology, Rhinology and Laryngology, 84: 5562.CrossRefGoogle ScholarPubMed
Steele, C. H., Fairchild, R. C. and Ricketts, R. M. (1968) Forum on the tonsil and adenoid problem in orthodontics. American Journal of Orthodontics, 54: 485515.CrossRefGoogle Scholar
Weitz, H. L. (1946) Roentgenography of adenoids. Radiology, 47: 6670.CrossRefGoogle ScholarPubMed