Introduction -- Principles of Macroscopic and Microscopic Anatomy of Peripheral Nerves -- Pathophysiology -- egrees of Nerve Lesion -- Types of Tissue Reaction Following Nerve Lesion -- Clinical Presentation of Nerve Lesion -- Different Types of Pain Following Nerve Lesion -- Principles of Neurophysiologic Diagnosis -- Electroneurography -- Electromyography -- Imaging of Peripheral Nerves -- Sonography -- Magnetic Resonance Imaging.-Principles of Nerve Surgery -- Neurolysis Steps -- Grafting Following Nerve Trauma -- Nerve Entrapment at Shoulder and Arm -- Spinal Accessory Nerve -- Brachial Plexus, Thoracic Outlet Syndrome -- Suprascapular Nerve -- Axillary (Circumflex) Nerve -- Radial Nerve at Upper Arm -- Radial Nerve at Lower Arm -- Posterior Interosseous Nerve Entrapment -- Superficial Radial Nerve Entrapment -- Median Nerve at Elbow -- Median Nerve at Lower Arm -- Anterior Interosseous Nerve Entrapment -- Carpal Tunnel Syndrome -- Ulnar Nerve at Elbow -- Ulnar Nerve at Lower Arm -- Guyon's Loge Syndrome -- DeepUlnar Branch Entrapment -- Nerve Entrapment at Trunk and Leg -- Genitofemoral, Ilioinguinal, Iliohypogastric Nerve -- Femoral Cutaneous Nerve -- Obturator Nerve -- Saphenous Nerve -- Infrapatellar Branch of Saphenous Nerve -- Pudendal Nerve -- Sciatic Nerve, Piriformis Syndrome -- Fibular Nerve at Knee Joint -- Fibular Nerve at Ankle, Anterior Tarsal Tunnel Syndrome -- Tibial Nerve -- Tibial Nerve at Ankle, Posterior Tarsal Tunnel Syndrome -- Tibial Nerve at Sole, Morton's Metatarsalgia -- Non Mechanical Focal Neuropathies -- Parsonage Turner Syndrome -- Multifocal Motorical Neuropathy -- Hereditary Multifocal Neuropathy -- Lewis-Summer-Syndrome (CIDP) -- Immune Vasculitis with Focal Neuropathy. .