What is superior laryngeal nerve injury complication of thyroidectomy?

Injury to nerve of Galli-Cruci external branch of SLN. Causes ipsilateral cricothyroid muscle paralysis, career threat for singers and voice professionals (Like Galli-Cruci) Prevention (direct trauma to cricothyroid muscle has similar presentation, dissect near this muscle to avoid electrocautry damage to it when possible) Tx (Speech therapy