Calf Pain

Muscular strain
Baker’s (popliteal) cyst
Deep vein thrombosis
Claudication (arterial insufficiency)
Superficial thrombophlebitis
Varicose veins
Achilles tendon rupture
Myositis, eg, polymyositis, dermatomyositis
Vasculitis, eg, polyarteritis nodosa, thromboangiitis obliterans (Buerger’s disease)
Spinal stenosis (pseudoclaudication; usually back and thigh pain)