The recurrent laryngeal nerve: Related vascular anatomy

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Abstract
This study was based on 34 recurrent laryngeal nerve dissections after arterial casting with red‐colored latex. The aim was to provide specific information about the perineural microvasculature. This study established the following points: 1. a great anatomic variability does exist; 2. the laryngeal nerve is usually in relation to the posterior branch of the inferior thyroid artery; and 3. this vascular branch is sometimes replaced with a vascular network. In all cases, this microvascularization must be preserved during thyroid surgery. Key Words: Recurrent laryngeal nerve, anatomy, inferior thyroid artery.