• diagnosis of exclusion
• bilateral leg pain only in the evening/night
• should NOT have a limp, pain, or symptoms during the day
• completely normal physical exam
• no systemic symptoms, localizing signs, joint involvement, or limitation of activity
• look for something else if there is anything wrong on review of systems, examination, or imaging studies

References

Emergency Medicine Clinics of North America

Orothopedic Emergencies

November 2010, Volume 28, Number 4