CH 13 MSK and Interventional

Question 1

Developmental dislocation and dysplasia of the hip (DDH)

Answer 1

• first and most common single indication of MSK u/s in pediatric patients.
  spectrum of disorders affecting the proximal femur and acetabulum that leads to subluxation and dislocation.

Question 2

Developmental dislocation and dysplasia of the hip (DDH) risk factors:

Answer 2

female
family history of DDH
frank breech presentation
oligohydramnios
first-born

Question 3

Developmental dislocation and dysplasia of the hip (DDH) evaulated:

Answer 3

hip laxity is common at birth due to hormones from mom (ligaments lax)
sono typically performed after 4 weeks of age.
both hips are evaluated in the coronal