Lucio's Phenomenon: Report of Two Cases and Review of the Literature

Abstract
Involvement of the large arteries in patients with systemic sclerosis (SSc) has been only rarely reported. We describe the case of a 56-year-old woman with early diffuse cutaneous SSc who presented with acute unilateral digital ischemia. Evaluation identified thrombosis at the site of a previous subclavian-to-common carotid artery bypass, rather than Raynaud's phenomenon, as the cause of ischemia. A review of the literature indicates that large artery involvement, although a relatively uncommon clinical manifestation, can be frequently detected in the lower limbs as well as the ulnar arteries in patients with SSc.

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