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Recognition of a Non-Recurrent Laryngeal Nerve during Carotid Endarterectomy

Cranial nerve injury during carotid endarterectomy (CEA), while infrequent, may have serious consequences. The recurrent laryngeal nerve is one of the most commonly injured cranial nerves. Fortunately, most of these injuries are temporary. Anatomic variations in the position of cranial nerves present challenges to surgeons during CEA. Although the occurrence of a non-recurrent laryngeal nerve (NRLN) is rare, proper recognition of this anatomic variation is critical in order to minimize complications. We present a case in which a NRLN was discovered intraoperatively and carefully preserved.