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  • Title: Acute lower limb thrombosis caused by a congenital fibrous ring of the superficial femoral artery.
    Author: Raso AM, Conforti M, Cassatella R, Moniaci D, Ortensio M, Barile G, Rispoli P.
    Journal: Minerva Cardioangiol; 2001 Apr; 49(2):147-51. PubMed ID: 11292960.
    Abstract:
    Segmentary isolated stenosis or obstructions of the superficial femoral artery in young people are rarely reported. In patients, most of them women, affected by chronic symptomatology of the lower limbs, the aetiology has been referred to fibromuscular dysplasia with unusual localization. We report a case of acute lower limb thrombosis in a young woman caused by a congenital fibrous ring of the superficial femoral artery and the treatment we performed in this situation including the complication that happened after the percutaneous transluminal angioplasty that we carried out in order to reduce the stenosis of the femoral superficial artery. Histological examination of the lesion demonstrated the nature of the fibrous ring caused by an embryological anomaly, followed by a secondary thrombosis in a woman not using oral contraceptives and without any alteration of the coagulation chain. Fibromuscular dysplasia of the femoral artery is commonly caused by previous thigh injuries, thromboembolic events with recanalization of the artery or arteritis, but in some cases appears to be the consequence of primitive intimal dysplasia. When a fibromuscular dysplasia is suspected, all authors agree on the necessity for a screening of the two preferential localizations of the disease: common carotid artery and renal artery, in the case reported the result was negative.
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