2.  7 yo boy presents to the  PE
er complaining of several  Afebrile. VSS
weeks of left hips and  Gen: Well appearing,
knee pain. Mom brings non-toxic. Short stature.
him in today because she
 Extrem: Decrease ROM
notes that he has been
left hip. Esp w/ internal
limping. They deny
rotation and abduction
history of trauma. No
fevers, weight changes,
or other complaints.

5.  Consider differential diagnosis – Sickle cell disease,
septic hip, trauma
 Consider CBC and ESR. B/L hip films and frog leg
views can be helpful
 NSAIDs are the mainstay for treatment of pain control
 Orthopedic follow-up

6.  Caused by interruption of blood flow to the capital
femoral epiphysis. Bone infarction occurs and
subchondral fractures occur
 Most common in males.
 Patients that present at a younger age typically have a
better outcome
 15-20% of patients have bilateral problems but they are
typically at different stages

8.  Nochimson, G et al. “Legg-Calve-Perthes Disease in
Emergency Medicine”. Emedicine.com. 4/2011.
 Tininalli, J et al. “Emergency Medicine: A
Comprehensive Study Guide”. 6th ed. 2003
 Wheeless, C. “Legg-Calve-Perthes Disease”.
Wheelessonline.com. 4/2011.