TO MOST persons the terms pertaining to the subdivisions of peroral endoscopy imply a static, mechanical speciality. Even the endoscopists do not often fully realize the changes which have occurred in their field. The vastness of the diagnostic and therapeutic channels which have come under the endoscopist's realm have overshadowed the field of foreign-body extraction, although these added interests and the improvement in thoracic surgery have, by no means, minimized the importance of the foreign-body work.
Thirty-five years ago the bronchoesophagologist's time was occupied almost exclusively in the removal of foreign bodies from the food and air passageways. Today only 2% of the cases involve foreign bodies. Regardless of their static and mechanical nature, vast changes have occurred which alter the significance, the ease of diagnosis, and the removal of the foreign body.
The roentgen diagnosis of the nature, shape, and size of foreign bodies was usually relatively simple until
DOUGLAS TE. CHANGING ASPECTS OF BRONCHOESOPHAGOLOGY. AMA Arch Otolaryngol. 1954;60(4):397–407. doi:10.1001/archotol.1954.00720010409001
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