128 limping children with no fracture, sprain, or obvious cause. Seven were found to have Perthes' disease, 76 seemed to have transient synovitis of the hip, and in 45 the cause seemed to be in the ankle or knee.
D000843:Ankle Joint; D002648:Child; D002675:Child, Preschool; D005684:Gait; D006621:Hip Joint; D006801:Humans; D007223:Infant; D007719:Knee Joint; D007873:Legg-Calve-Perthes Disease / Q000175:diagnosis*; D010007:Osteochondritis / Q000175:diagnosis*; D013577:Syndrome; D013585:Synovitis / Q000175:diagnosis*; D013997:Time Factors