Congenital
Genetic disorders
Acquired
Spinal dysraphisms Arnold-Chiari malformation Skeletal Malformations Hereditary spastic paraplegia Spino-cerebellar ataxia Adrenomyeloneuropathy Other leukodystrophies Spinal muscular atrophies Traumas Degenerative disorders of the spine Metabolic pathologies Vascular pathologies Inflammatory diseases (transverse myelitis) Autoimmune diseases Infectious diseases Neoplastic diseases