Cutaneous Collagenous Vasculopathy: Report of Two Cases Presenting as Disseminated Telangiectasias and Review of the Literature.

Cutaneous collagenous vasculopathy is a recently described idiopathic microangiopathy characterized by acquired diffuse cutaneous telangiectasias and specific histological features: dilated capillaries in the superficial dermis, with walls thickened by hyaline material containing collagen IV by immunohistochemistry. The authors describe 2 cases and review all cases reported in the literature to date, 34 cases including our own. Cases were mainly observed in women (sex ratio 0.