Table 1.

Differential diagnosis of acute hip pain and limp

• Septic arthritis

• Perthes disease

• Juvenile rheumatoid arthritis

• Discitis

• Psoas abscess

• Stress fracture

• Overuse syndrome

• Rheumatic fever

• Proximal femoral osteomyelitis

• Kawasaki syndrome

• Gaucher disease

• Tumor (Ewing, osteoid osteoma, osteogenic sarcoma, acute lymphocytic leukemia)

• Serum sickness

• Slipped capital femoral epiphysis

• Tuberculosis