|
Feature |
Cauda Equina Syndrome (CES) |
Conus Medullaris Syndrome (CMS) |
|
Location |
Injury to the nerve roots of the cauda equina (below L2). |
Lesion at the conus medullaris (L1-L2 level). |
|
Nature of lesion |
Peripheral nerve (lower motor neuron) lesion. |
Mixed lesion: both upper and lower motor neuron signs. |
|
Weakness |
Asymmetric in legs. |
Symmetric, mild in legs. |
|
Anal Sphincter Tone |
Normal early, lost late. |
Decreased early. |
|
Bladder/Bowel Issues |
Develop late. |
Appear early. |