APPENDIX 1. Anatomic sites used in the MRI assessment of CNO disease activity and damage.

Head and neck (left/right)
  Skull
  Mandible: body, ramus
Upper extremity (left/right)
  Clavicle
  Scapula: body, acromion, coracoid process
  Humerus: proximal, mid, distal
  Radius: proximal, mid, distal
  Ulna: proximal, mid, distal
  Carpal bones: scored as a single unit
  Metacarpal bones: scored as a single unit
  Phalanges: scored as a single unit
Chest
  Sternum: manubrium, upper body, lower body
  Ribs (1–12): left/right
Spine
  Cervical vertebrae (C1–7)
  Thoracic vertebrae (T1–12)
  Lumbar vertebrae (L1–5)
  Sacral bones (S1–5): left/right
  Coccyx
Pelvis (left/right)
  Iliac wing
  Acetabulum
  Superior pubic ramus
  Inferior pubic ramus
  Ischium
Lower extremity (left/right)
  Femur: proximal, mid, distal
  Tibia: proximal, mid, distal
  Fibula: proximal, mid, distal
  Talus
  Calcaneus
  Midfoot tarsal bones: scored as a single unit
  Metatarsal bones: scored as a single unit
  Phalanges: scored as a single unit
  • MRI: magnetic resonance imaging; CNO: chronic nonbacterial osteomyelitis.