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What is A 58-year-old female, known case of multinodular goiter underwent sub-total thyroidectomy. After 8 days, patient again presented to the OPD with hoarseness of voice. The nerve which was damaged during the surgery supplies all the muscles marked except: - and explain in detail?
THIS IS A CLASSICAL CASE OF RECURRENT LARYNGEAL NERVE (RLN) PALSY POST THYROIDECTOMY. RLN SUPPLIES ALL THE MUSCLES OF LARYNX EXCEPT CRICOTHYROID WHICH IS SUPPLIED BY EXTERNAL LARYNGEAL NERVE.