Central, Lateral Recess, or Foraminal? A Narrative Review of MRI Stenosis Compartments and Lower-Limb Radiculopathy Patterns
Background: Degenerative lumbar canal stenosis (LCS) is a leading cause of low-back pain, neurogenic claudication, and lower-limb radiculopathy in older adults. Although magnetic resonance imaging (MRI) is the preferred modality for anatomical assessment, clinical interpretation often remains challenging because stenos...