Bone Deformity / Limp - Differential Diagnosis Algorithm 

Infection

 • Septic Arthritis

 • Cortical Hypertrophy

 • Osteomyelitis

Inflammation

 • Rheumatoid Arthritis

 • Toxic Synovitis

 • Reactive Arthritis

Other Causes

 • Osteoarthritis

 • Osteomalacia

 • Rickets

Hip Joint

 • Hip Dysplasia

 • Slipped Capital Femoral Epiphysis (SCFE)

 • Legg-Calve-Perthes Disease

Knee Joint

 • Patellofemoral Syndrome (Chondromalacia Patellae)

 • Osgood-Schlatter Disease

 • Patella (e.g., Tendon Rupture, Dislocation, Subluxation)

Spine/Stature

 • Osteoporosis

 • Scoliosis/Spinal Curvature

 • Dwarfism



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