“…The MRI is less sensitive than CT, but in some cases, bone marrow edema of adjacent bone and soft tissue can be seen, and enhancement can be seen after gadolinium contrast injection, a mechanism which may be similar to that of rheumatoid arthritis (18). Thus, it is suggested that symptomatic and asymptomatic CDS can be distinguished according to this sign (19). The MRI can also be used to evaluate the spinal cord more completely (5), and is useful for proving inflammation in patients with CDS (1).…”