Categories: INTRODUCTION OF THE ESOPHAGOSCOPE
Sources: A Manual Of Peroral Endoscopy And Laryngeal Surgery
Inspection of the hypopharynx and upper
esophagus is readily made with the esophageal speculum shown in Fig.
4. High lesions and foreign bodies lodged behind the larynx are thus
discovered with ease, and such a condition as a retropharyngeal
abscess which has burrowed downward is much less apt to be overlooked
than with the esophagoscope. High strictures of the esophagus may be
exposed and treated by direct visual bouginage until the lumen is
sufficiently dilated to allow the passage of the esophagoscope for
bouginage of the deeper strictures.