&chief_complaint=Diffuse pain and swelling of the involved area

&phys_exam=Marked diffuse tenderness, and swelling of the specified area with mottling and coolness of the skin

&cor_dif=Complex Regional Pain Syndrome,Ischemia,

&incor_dif=Metatarsal Stress Fracture,Cellulitis,

&review=clinical presentation and differential diagnosis of RSD