Cystic adventitial disease (CAD) is a rare cause of intermittent claudication andnonatherosclerotic conditions in middle-aged men without cardiovascular risk factors. The etiology of CAD is unclear; however, the direct communication between a cyst anda joint is presumed to be a cause. We herein report a case series of CAD of the poplitealartery (CADPA), in which patients were treated with surgical resection and vascularreconstruction. Although less invasive treatment modalities, including percutaneouscyst aspiration and percutaneous transluminal angioplasty, have been the subject ofrecent reports, these treatments have had a higher recurrence rate. Therefore, all of theCAPDA cases in the present series were treated surgically, which lead to goodoutcomes.
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