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13 Cards in this Set

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  • Back
Where is the apex of normal thoracic kyphosis?
T5-T8
What is the average annual spinal growth rate per segment? What is the approximate total?
0.07 cm per year per segment 1 cm per year total
Curve progression best corresponds with which measure?
Peak growth velocity
What is the recommended scoliometry threshold for referral for spine surgery evaluation?
7 degrees on Adams forward bend
Peak growth velocity generally occurs at which Risser stage? How about menarche?
Peak growth velocity at Risser 0
Menarche occurs before Risser1
What are five indications for obtaining an MRI in the adolescent scoliosis patient?
Left thoracic curve
Abnormal neurologic exam, especially asymmetric abdominal reflexes
Excess kyphosis (conider neurofibromatosis
Onset <11 years old (think infantile, juvenile)
Pain
How are stable vertebrae and neutral vertebrae defined?
Midsacral line bisects the stable vertebrae
What is the usual sagittal alignment at the apical vertebrae with AIS?
Apical vertebrae usually hypokphotic
What is the definition of a structural curve? Why are structural curves clinically significant?
Structural curves do not bend out to less than 25 degrees
All structural curves should be incorporated in fusion
What are the six components of the Lenke classification for AIS?
Main thoracic
Double thoracic
Double major
Triple major
Thoracolumbar/lumbar
Thoracolumbar/lumbar-main
What is the definition of a structural curve? Why are structural curves clinically significant?
Structural curves do not bend out to less than 25 degrees
All structural curves should be incorporated in fusion
What three aspects make the progression of neuromuscular scoliosis?
More rapid
Continues after maturity
Pelvic obliquity
In general, at what age should fusion surgery be undertaken for neuromuscular scoliosis?
10 to 12 years