The intracordal injection of polytef (Teflon)-glycerine suspension has proved most effective in relieving dysphonia due to unilateral recurrent nerve paralysis.
However, if errors in the technique of injection are committed or if patients are not properly selected, a potentially good result will not be achieved or the voice will be made worse.
Rubin HJ. Misadventures With Injectable Polytef (Teflon). Arch Otolaryngol. 1975;101(2):114–116. doi:10.1001/archotol.1975.00780310036010
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