Resection of thyroid cancer, why some people appear hoarseness

Resection of thyroid cancer is due to appear a hoarse voice due to recurrent laryngeal nerve injury can be divided into permanent and temporary. Traction and edema due to compression of the recurrent laryngeal nerve paralysis due mostly temporary, and can be resumed in 4 months. The second due to tumors pushing to change the location or the introduction of the nerve outside the ditch, or in or surrounding the tumor nodules and tumor adhesion, which have increased the chance of recurrent laryngeal nerve injury, resulting in a hoarse voice.