Describe the epidemiology.
Prevalence: most common peripheral aneurysm and second most common aneurysm after AAAs
♂ > ♀
Mean age: 65 years
List clinical features.
Usually asymptomatic mass in the popliteal fossa (50% are bilateral)
Acute limb ischemia → 6 Ps
Chronic limb ischemia
Describe the diagnostics.
Doppler ultrasonography (best initial): excludes Baker's cyst; identifies thrombus and patency of vessel
CT angiography: preoperative assessment
Distal embolization: blue toe syndrome (small vessel occlusion caused by an embolus)