This issue presents a comprehensive review of diagnosis and treatment peripheral nerve disorders. A unique approach is taken with several topics, in which the authors present a Point-Counterpoint discussion of varying techniques and timing for peripheral nerve treatment. Topics include: Tumors: Benign and Malignant, Pancoast; Entrapments: Common Upper Extremity Nerve Entrapments, Controversies, Point-Counterpoint: Tarsal Tunnel Syndrome, Point-Counterpoint: Piriformis Syndrome, Brachial Plexus Surgery: Obstetrical Brachial Plexus Injuries, Point-Counterpoint for Timing of surgery, Nerve Transfers following Brachial Plexus Injury, Nerve Root Reimplantation and Late Reconstruction for Brachial Plexus Surgery, Peripheral Nerve Injury and Reconstruction, Neurostimulation Techniques for the Peripheral Nervous System, Peripheral Nerve Imaging, Peripheral Nerve Research.