👉 Perigangliitis is a type of inflammation that occurs in the brain and spinal cord. It is characterized by pain, numbness, tingling, or weakness in the area around the spinal cord, including the base of the skull, the brainstem, and the spinal cord itself. This condition can be caused by various factors such as traumatic injury, infection, autoimmune disease, or a genetic defect. Treatment may include medications to relieve symptoms and physical therapy to improve mobility and function.