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Bilateral True Vocal Cord Adductor Paralysis from Lung Cancer  (15 sec)
  

 
This video shows the function  of a larynx which has paralysis of both true vocal cords.  The patient was a very heavy smoker and developed lung cancer.  First, the patient's left cord became paralyzed and then his right.  As can be seen in the video, the cords quiver but do not consistently touch each other during phonation.  The patient has an adductor muscle paralysis (the true vocal cords are lateral and not touching in midline).  In this type of paralysis, the patient has a good airway but a very weak voice.  If the nerves (recurrent laryngeal nerves) to the vocal cords were completely transected, the patient would have primarily an Abductor Muscle paralysis with the cords touching each other in the midline.  In this case, the patient's voice would be strong but he would have severe airway obstruction. 
  

Bilateral Vocal Cord Paralysis - Larynx
Bilateral True Vocal Cord
Paralysis

   
Mobile  Devices
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MP4 & WebM-1024 Kbps
MP4 & WebM-512 Kbps
       
Computers 
Flash-1024 Kbps
Flash-512 Kbps
Flash-216 Kbps
WMV-46 Kbps
      

The patient was unable to
vocalize and a speech
recording was not taken.

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