Pediatric spine

Question 1

What is Klippel-Feil Syndrome?

Answer 1

multiple abnormal cervical segments

due to failure of normal segmentation or formation of cervical somites at 3-8 weeks gestation.

Question 2

What is associated with Klippel-Feil Syndrome?

Answer 2

Associated conditions
congenital scoliosis 
Sprengel's deformity (30%) 
renal disease (aplasia in 33%)
synkinesis (mirror motions)
congenital heart disease
brainstem abnormalities

Question 3

Klippel-Feil classic triad

Answer 3

seen in fewer than 50%)
low posterior hair line
short “web” neck
limited cervical ROM