Vocal nodules
vocal nodules: These are caused by abuse of the true vocal cords and are the result of a thickening at a specific locale. When a node develops on one cord, there is often an irritation at the corresponding site on the other fold, and then bilateral nodes can be the result. As the nodes thicken, they lower the fundamental pitch of the cords with their increased mass. Other presenting symptoms would include a breathy or hoarse sound, this being due to the air leakage caused by poor approximation of the folds with the presence of a mass. Most vocal nodules will disappear with proper voice therapy to reduce vocal abuse, but in some causes, surgical reduction is necessary. The presence of vocal nodules is considered to be a voice disorder.
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