Spinal stenosis

• Facts:
  Compressive narrowing of the lumbar spinal cord
• History / PE:
  Positive "shopping-cart" sign (patients more comfortable leaning forward)
  Pseudoclaudication (increased pain with walking)
  Weakness, sensory loss
• Diagnosis:
  MRI spine (facet osteophyte impingement)
• Associated With:
  Osteoarthritis (degenerative joint disease)
• Differential Diagnosis:
  Herniated disc (positive straight leg raise)
  Leriche syndrome (impotence, claudication, LE atrophy)
  Peripheral vascular disease