Abstract
A rare case of laryngectomee who acquired TE shunt speech is reported. Our patient was a 64-year-old woman with laryngeal cancer (glottic type T3N0M0). She underwent laryngectomy in 1990, and a Komorn tracheo-esophageal shunt operation was performed simultaneously. A voice prosthesis (BIVONA) was inserted into the shunt, but the voice valve was not used. She acquired shunt speech soon after the operation, and there was no need to close the tracheostoma during phonation. Fiberoptic, X-ray and aerodynamic findings of the shunt and esophagus were as follows: (i) The one-way valve of the voice prosthesis was open during inspiration and closed during phonation. (ii) Swallowing of air, as seen in esophageal speech, was not observed. (iii) The neoglottis was in the upper part of the esophagus. It was concluded that the air for the vibration of the neoglottis entered the esophagus through the T-E shunt during inspiration.
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