Conus Medullaris Syndrome

DIFFERENTIATE BETWEEN

Conus Medullaris Syndrome and  Cauda equina syndrome



Conus Medullaris Syndrome Cauda equina syndrome
Onset/PresentationSudden Onset symptoms Develops over time
SymmetryMore symmetricalMore asymmetrical
PainMild to moderateSevere pain
CauseInjury, lesion, or infectionLesion, or infection
ReflexTypically only interferes with the Achilles reflexEliminate the patellar and Achilles reflexes
Pain concentrated in the lower backMore likely Less likely
Site involved – Spinal cord Levels T12-L2.L1-L5
ImpotenceMore common Less common
Conus Medullaris Syndrome

Cauda equina and conus medullaris syndromes have overlap in anatomy and clinical presentation.

The gold standard method of evaluation for CMS/CES is obtaining urgent MRI imaging with sagittal and axial T1 and T2 sequences.


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