Spine

Question 1

Patterns of Intramedullary T2 Signal Change

Start from top right to bottom left

Answer 1

• Central longitudinally extensive spinal cord lesions
  
  • Ischemia, transverse myelitis, NMO, dAVF, paraneoplastic
  • Systemic illnesses
    
    • Neurosarcoid
    • Sjögren syndrome
    • SLE
    • Behçet’s dz
• Patchy, peripheral, short segment = MS
• (they didn’t talk about this one in the lecture :/
• Subacute combined degeneration of cord (B12 or copper deficiency)
• Cord Ischemia (bottom 4)
  
  • Anterior spinal artery
  • Anterior spinal artery (not as severe)
  • Sulcal artery (comes of ant spinal artery and alternates levels)
  • Posterior spinal artery
• Anterior horn pattern = chronic compressive myelopathy, poliomyelitis-like syndrome anterior spinal artery ischemia​