[Arteriography of the hand in Raynaud's phenomenon].

Analysis of 356 angiographic images of hand from 216 patients with Raynaud's phenomenon confirmed the higher prevalence of occlusive arterial lesions (75% of cases) when compared with idiopathic Raynaud's syndrome. The ulnar artery (30% of cases) and digital collateral arteries of free borders of hand (45 to 62% of cases) were the most frequently affected. This preferential localization of the arterial thromboses can be explained by repeated microtrauma from manual occupations (markedly increased in cases of digital arteriopathy). Correlation between the occlusive lesions and a thoracic outlet syndrome is lacking.