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Femoral pseudoaneurysm — MCCQE Part 1 MCQ

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HardVascularFemoral pseudoaneurysmMCCQE Part 1

A 42-year-old man has a 4cm pulsatile mass in the right groin after cardiac catheterisation 5 days ago. Bruit present. Duplex US: pseudoaneurysm of right CFA, 4cm diameter. Most appropriate initial management?

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Correct answer: C — US-guided thrombin injection

Post-catheterisation pseudoaneurysm: US-guided thrombin injection is first-line (>95% success, minimally invasive). Open repair for failed injection, rapid expansion, limb ischaemia, or infected pseudoaneurysm.

Reference: Canadian Vascular Surgery