Table 3

Causes of myelopathy

ExtrinsicMixed or indeterminateIntrinsic
GeneticMucopolysaccharidosesHereditary spastic paraplegia
Adrenomyeloneuropathy
Other spinocerebellar degenerations and leukodystrophies
CongenitalArachnoid cystSyringomyelia
Dysraphism
TraumaticVertebral fracture and/or dislocation
Missile and stab injuries
InfectiveEpidural abscess
Tuberculous osteomyelitis
Acute viral myelitis
Tuberculosis
Syphilis
Schistosomiasis
HIV
HTLV-1
InflammatoryRheumatoid arthritis
Ankylosing spondylitis
Multiple sclerosis
Neuromyelitis optica
Post-infective
Sarcoid, Beh├žet's
Connective tissue disorders
NeoplasticExtradural tumours
Extramedullary intradural tumours
Intramedullary tumours
Paraneoplastic
VascularEpidural haematomaDural arteriovenous fistulaHaematomyelia
Ischaemic infarction
MetabolicPaget's diseaseVitamin B12 deficiency
Copper deficiency
Liver failure
ToxicMyodil induced arachnoiditis
Intrathecal methotrexate
Radiation
Electrical injury
Nitrous oxide
Clioquinol
Lathyrism
Konzo
DegenerativeSpondylosis
Disc prolapse
Amyotrophic lateral sclerosis
Primary lateral sclerosis