Vocal cord vibratory injuries Overview: Common disorders that affect the voice are vibration-induced lesions, or injuries, of the surface layer of the vocal cords, called mucosa. This kind of injury usually happens when a person overuses or abuses his or her voice. Bruising Capillary ectasia Epidermoid cyst Glottic furrow Glottic sulcus Indicator lesions Mucosal bridge Mucosal edema or swelling Nodule Open epidermoid cyst Polyp Hemorrhagic polyp Polypoid degeneration (aka Reinke’s edema or smoker’s polyps) Submucosal fibrosis