Dejerine-Sottas disease is a rare genetic disorder that affects the peripheral nerves of the body and can cause weakness, numbness, and pain in the extremities. There are several synonyms for this condition, including hereditary motor and sensory neuropathy type III, hypertrophic neuropathy of infancy, and Dejerine-Sottas syndrome. These names all refer to the same disorder and are used interchangeably by physicians and researchers. While there is currently no cure for Dejerine-Sottas disease, treatments such as physical therapy and pain management can help manage symptoms and improve quality of life for those affected by the condition.