Transverse myelitis (TM) is a rare neurological syndrome. It is an inflammatory disorder of the spinal cord. TM may be due to a virus or other infection, but in general, the cause is unknown. TM is an autoimmune disorder, meaning that the immune system attacks the body’s own tissues. In general, TM is a one-time disease with a sudden onset …

https://my.clevelandclinic.org/health/diseases/8980-transverse-myelitis