Following bone density scanning and diagnostic imaging, a 4-year-old boy has been diagnosed with ...

Following bone density scanning and diagnostic imaging, a 4-year-old boy has been diagnosed with Legg-Calv-Perthes disease. Which of the following findings, signs, and symptoms would lead clinicians to this conclusion?
 
  Select all that apply.
  A)
  The boy has significant difficulty in walking.
  B)
  The boy's feet toe-in when standing upright.
  C)
  The child has limited abduction of the affected hip.
  D)
  His femoral head region is noted to be necrotic.
  E)
  There are numerous microfractures where his patellar tendon and tibia articulate.