DURING THE Congress held by the German Association of Laryngologists in 1911, W. Brünings presented a series of patients suffering from unilateral recurrent laryngeal paralysis. He had injected hard paraffin (melting point 46 C) in the paralyzed vocal chords by means of a special syringe.
The technical intervention presented no problems, the postoperative period was uneventful, and the functional results were very good. Despite these good clinical results, there were some disadvantages to this method which developed consequently.
In fact, the injected paraffin caused a chronic foreign body reaction which ultimately resulted in a paraffinoma. Moreover, the product did not remain static and what was even more serious, resulted in embolism. Similarly, paraffin injections into the posterior pharyngeal wall for the improvement of velopharyngeal closure in instances of cleft palate proved to be of no use; the paraffin generally descended, sometimes even as far as the mediastinum. Although it
Boedts D, Roels H, Kluyshens P. Laryngeal Tissue Responses to Teflon. Arch Otolaryngol. 1967;86(5):562–567. doi:10.1001/archotol.1967.00760050564015
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