Jackson,1 in his recent compilation of foreign bodies, has found that safety-pins are third in the frequency of all bodies he has removed from the respiratory and esophageal tracts: viz., bones in 350, coins in 306 and safety-pins in 128 cases. In the otolaryngologic clinic within a period of seventeen days we have had to remove, besides other foreign bodies, safety-pins from three patients in whom the pin obstructed the postcricoid narrowing.
Discussions in articles and popular textbooks bearing on this subject tend to emphasize the nature of the foreign body and its removal. Haslinger,2 Waldapfel3 and Wiethe4 of Hajek's clinic and Abel5 likewise laid great stress on every form of mechanism and on the manner of removal of foreign bodies from these regions, but neither they nor any other authors, I have found, make reference to the interesting theory and anatomicophysiologic proof regarding
FISHMAN LZ. MECHANISM INVOLVING FOREIGN BODIES: IN THE POSTCRICOID NARROWING, WITH SPECIAL REFERENCE TO SHARP BODIES SUCH AS OPEN SAFETY-PINS. Arch Otolaryngol. 1933;17(6):747–754. doi:10.1001/archotol.1933.03570050739002
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