A brachial plexus injury occurs when these nerves are stretched, squeezed, pulled apart, or torn away from the spinal cord in the most severe cases. A brachial plexus injury occurs when these nerves are stretched, squeezed, pulled apart, or torn away from the spinal cord in the most severe cases. Dr. HK Chakrabartty is a neurosurgeon specializing in brachytherapy surgery. To know more details please contact us! 9899986541