Gangnam Severance Hospital, Yonsei University—Seoul, Korea South

• Cervical trauma
  Cervical stabilization 
• Cervical tumor 
  Cervical tumor surgery
  Craniocervical tumor surgery
  Intraspinal tumor surgery
• Degenerative cervical spine 
  Cervical stabilization
  Endoscopic disc surgery
  Laminoplasty
  Microsurgical disc surgery
  Posterior foraminotomy
  Total disc replacment
• Degenerative lumbar spine
  ALIF
  Endoscopic disc surgery
  Microsurgical disc surgery
  Microsurgical spinal stenosis
  Open stabilization
  Percutaneous stabilization
  PLIF
  TLIF 
• Dysraphic conditions
  Chiari malformation surgery
  Filum terminal sectioning
  Osteporotic spine
  Vertebroplasty
  Kyphoplasty
• Rheumatoid cervical spine
  Craniocervical stabilization
  C1 / C2 stabilization
• Special procedures
  Cervical laminoplasty
  En-bloc spondylectomy
  Sacroiliac joint fusion
  Anterior craniocervical reconstructions
  (transoral / tranfacial procedures)
  Foraminoscopic techniques
  Navigation procedures
  (CT-based, Fluoro, ISO-C)
  Neuromonitoring
• Spinal cord injury
  Syringostomy
• Thoracic & lumbar tumor
  Anterior thoracic & lumbar reconstruction
  Thoracic & lumbar stabilization
• Thoracic & lumbar tumor
  Anterior thoracic & lumbar reconstruction
  Intraspinal tumor surgery
  Thoracic & lumbar stabilization
  Kyphoplasty
  Vertebroplasty

5 per month 

2 - 3 per month
2 - 3 per month
2 - 3 per month

10 per week
1 per month
10 per month
5 - 6 per week
2 - 3 per month
3 - 4 per month

2 - 3 per month
2 - 3 per month
10 per week
2 - 3 per week
10 per week
2 - 3 per month
13 - 15 per week
5 per week

10 per year
3 - 5 per year
10 per month
2 - 3 per month
2 - 3 per month

1 - 2 per month
1 - 2 per month 

10 per month
5 - 7 per year
1 - 2 per month
2 - 3 per year

1 - 2 per month
2 - 3 per week

5 - 7 per week

2 - 3 per month

1 - 2 per month
3 - 4 per month

1 per month
10 per month
2 - 3 per month
2 - 3 per month
2 - 3 per month