To the Editor.—Regarding the May 1971 article entitled "Transconioscopy in Laryngeal Carcinoma" by Henning Sorensen, I am sorry to prolong the correspondence regarding the risks of transconioscopy, but with respect, Dr. Sorensen appears to have missed the point when he says that risk only arises in large subglottic lesions.
It has now been shown in two fairly large series1,2 that opening into the trachea, for however brief a period, in the presence of any cancer anywhere in the upper respiratory or digestive tract, carries a high risk of subsequent recurrence around that tract.
This is a real danger to the life of the patient and one which I feel cannot be ignored.
STELL PM. TRANSCONIOSCOPY. Arch Otolaryngol. 1972;95(2):193. doi:10.1001/archotol.1972.00770080281026
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