Arteries and veins – general Surgery

Q) 60 year old diabetic with dry gangrene of foot with absent femoral pulse

a) Diabetic foot

b) Buerger's disease

c) Atheroscelrosis

d) Acute embolism

Ans c 

Buergers disease: Segmental thrombotic occlusions of the small and medium sized lower limb vessels.
Commonest in young male smokers. Proximal pulses usually present, but pedal pulses are lost. An acuter hypercellular occlusive
thrombus is often present

Atherosclerosis will involve large vessels such as femoral artery