The major cause of<unk>  is arterial embolism (80%), while arterial thrombosis is responsible for 20% of cases. In rare instances, arterial aneurysm of the popliteal artery has been found to create a blood clot or embolism resulting in<unk> .
Acute limb ischaemia
Raynaud syndrome
Superficial vein thrombosis
Popliteal artery entrapment syndrome
Diabetic sock
Diabetic foot ulcer
Diabetic foot
Chronic venous insufficiency