Pseudoaneurysm of the Dorsalis Pedis Artery: Case Report and Literature Review

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Aneurysms and pseudoaneurysms of the dorsalis pedis artery are rare vascular entities usually caused by traumatic injury or iatrogenic intervention, producing a focal soft pulsatile tissue mass in the dorsal foot. Gradual expansion of the fibrous capsule can produce secondary physical signs through the pressure exerted on surrounding structures. We report the case of a 57-year-old male with an idiopathic pseudoaneurysm of the dorsalis pedis artery. A focused history found a low-grade blunt trauma to the dorsal foot that had occurred 2 years previously. The diagnosis of a pseudoaneurysm was confirmed by ultrasound examinations and computed tomography angiograms. The pseudoaneurysm was treated with resection, and a short reversed great saphenous vein interposition graft was placed. He recovered well after surgery and remained free of symptoms 18 months postoperatively. The literature review of this uncommon vascular pathologic entity and the diagnosis and management are discussed.Level of Clinical Evidence: 4

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