Variations in the Origin of the Superior Laryngeal Artery and their Clinical Significance: A Case Report with a Proposal for a New Classification

The superior laryngeal artery is the primary vessel providing blood supply to larynx. Commonly, it derived from thyroid artery. Different variations in origin have been described current literature; knowledge of such crucial for various surgical interventions larynx and procedures lateral region neck regarding carotid triangle. It should be noted that radiological studies, as selective angiography gland, can also misleading cases variations. Herein, we describe a case bilateral originating directly external neck. arteries at first transverse course then pierce through thyrohyoid membrane alongside internal nerves. Moreover, review known propose new classification all