Pulsatile mass in popliteal fossa with necrotic toe indicates what?

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Multiple Choice

Pulsatile mass in popliteal fossa with necrotic toe indicates what?

Explanation:
A pulsatile mass in the popliteal fossa points to an arterial problem, most often a popliteal artery aneurysm. Such aneurysms can shed emboli that travel downstream and abruptly obstruct distal arteries, causing acute limb ischemia. The necrotic toe shows tissue death from this ischemia. Venous problems like DVT or venous thrombosis don’t create a pulsatile arterial-looking mass or this pattern of distal ischemia, and a popliteal cyst would not be pulsatile or cause toe necrosis. So the scenario best fits an arterial embolus originating from a proximal aneurysm that embolizes to the leg arteries.

A pulsatile mass in the popliteal fossa points to an arterial problem, most often a popliteal artery aneurysm. Such aneurysms can shed emboli that travel downstream and abruptly obstruct distal arteries, causing acute limb ischemia. The necrotic toe shows tissue death from this ischemia. Venous problems like DVT or venous thrombosis don’t create a pulsatile arterial-looking mass or this pattern of distal ischemia, and a popliteal cyst would not be pulsatile or cause toe necrosis. So the scenario best fits an arterial embolus originating from a proximal aneurysm that embolizes to the leg arteries.

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