Olivia C Silveri, Gabriella Dunemann, Christian Woo, Jacob Gutman, Joseph Palazzi, Jason Canestrino, Benita Luke, Jonathan A Millard, Michael Breiner
The phrenic nerve innervates the respiratory diaphragm, the primary muscle active during ventilation. The canonical path of the phrenic nerve originates from the cervical spine at C3-C5 spinal nerves and travels inferiorly through the neck and thoracic cavity to reach the diaphragm. During a cadaver dissection, a variation of the phrenic nerve was discovered in a 93-year-old male specimen. A traditional origin of the phrenic nerve was noted; however, the nerve branched into medial and lateral components at the level of the superior trunk of the brachial plexus...
April 10, 2024: Surgical and Radiologic Anatomy: SRA