It is interesting to note that several cases have been reported in the literature in which calcifications of the neck were confused with foreign bodies of the food passages. This situation existed in three successive cases of foreign bodies of the esophagus in which the patient gave a history of having swal-lowed a chicken bone and on esophagoscopy no foreign body was found. These cases presented the problem of calcifications of normal laryngeal cartilages. A review of the literature and further studies of foreignbody cases in which no foreign body was found proved to be an interesting study.
There is nothing more embarrassing to the endoscopist and the patient than to have done an endoscopic procedure for a foreign body seen by x-ray and to find at completion of the operation that no bone was found. The endoscopist then feels that maybe under the influence of premedication and anesthesia