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- S W Hone, J Fenton, E Clarke, S Hamilton, and D McShane.
- Department of Otolaryngology/HNS, Adelaide Hospital, Dublin, Ireland.
- Clin Otolaryngol Allied Sci. 1995 Jun 1; 20 (3): 234-5.
AbstractLateral neck radiographs performed to localize impacted fishbones have a low sensitivity. The differing radio-opacities of the bones of various fish species may be a reason for this. A cadaver head and neck and the rib bones of 10 species of fish were used in this study. A laryngoscope was used to introduce a fishbone into the vallecula and then into the hypopharynx of the cadaver. A lateral radiograph was taken in each case. Ten control films were taken. The radiographs were independently reviewed by a consultant radiologist and otolaryngologist. The presence and position of any bone seen was noted. There was no inter-observer variation. All species of fishbone were visible. One bone was not seen by either observer. Visualization of fishbones is more dependent on position than their degree of radio-opacity. Routine radiography is recommended.
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