Claudication, lower extremity

DDx

Peripheral arterial disease
Musculoskeletal pain
Lumbar spinal stenosis (neurogenic or pseudoclaudication)
Deep-vein thrombosis
Lumbar disk disease
Peripheral neuropathy
Nocturnal leg cramps
Arterial embolism
Thromboangiitis obliterans (Buerger's disease)
Polyarteritis nodosa
Unilateral claudication in young, athletic person: popliteal artery entrapment, trauma, compression by Baker's cyst, popliteal adventitial cystic disease

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